SCIENTIFIC ABSTRACT SOBOLEVSKIY, P.YE. - SOBOLEWSKI, H.

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December 31, 1967
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SCIENTIFIC ABSTRACT
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On First Order Differential Equations in the Hilbert Space SOV/20-123-6-8/.P With a Variable Positive-Definite Selfadjoint Operator, the Fraction Power of Which has a Constant Region of Definition IIA1/2(' 1/2( 1/2( 1/2 (.C ) 11 . t)A_ 'C)-A- t)A .6 C(p) max la ik(t'x) fx,i,k 1/p aik(,C,X) 1+ max a(t,x)-a( r-,x) 1+ IC(t,x)- 6'( V, x)j P dl x There are 16 references, 13 of which are Soviet, 1 American, 1 German, and 1 Japanese. ASSOCIATION:Voronezhskiy sellskokhozyaystvennyy institut (Voronezh Agricultural Institute) PRESENTED; August 1, 11958, by I.G.Petrovskiy, Academician SUBMITTED: July 24, 1958 Card 3/3 S/044/62/000/003/o6l/092 4, C111/C444 AUTHOR: Sobolevskiy, P. Ye. TITLE: M-Wn- -ap-p-r-oximative method for the solution of differential equations PERIODICAL: Referativnyy zhurnal, Matematika, no. 3, 1962, 36, abstract 3V185. ("Zap. Voronezhsk.. s.-kh. in-tall, 1959, 28, no. 2, 399-400) TEXT: Considered is the problem d-k+ Ax = 0, X, x0 M t=O where x = x(t), t >~-O, is a function with values in the Banach space E, A being a closed linear operator in E with a dense domain (D(A). Let t AJ be a sequence of bounded operators in E such that for x 't D(A) lim A x - Ax 0, and let t X0 be a sequence of n ---) a) n 0 0 n I elements of the space B x n-4 x . Let x n(t) be the solution of the probler, Card 1/2 S/04 62/000/003/o61/0.02 On an approximative method for the C111YC444 dx + A x = 0, x = X0 -~T n It=O n Two theorems, grantinG the convergence of x n(t) to the solution of prob- lem (1), are formulated without proof. !Abstracter's note: Complete translation.] Card 2/2 16(l) AUTHOR: Sobolevskiy, P.Ye. ~30V/20-128-1-10/58 TITLE; -rtan---o-t ~Iona~ryz~qfuaio~ns of Viscous Fluid Dynamics PERIODICAL: Doklady Akademii nank S~iSR,Vol 128,Nr 1,T)p 45-48 (USSR),10~90~ ABSTRACT: Let _Q be an open domain of the m-dimensional space with the boundary 1F ; U 0 a -vector function defined on -,2 for m = 2 Theorem 1 There exists a unique solution of (9) (A--U) t + A AU + A - _'LP U' '_~OPf(t) , U(O) = U u k xk 0 defined on 10't0 The function A 112 U(t) is continuous and A-i, U(t) is absolutely continuous in H. Purthermore I-U Ji~2 (A_"'t) A is inte.-rable according to Lebesgues. t The identity Card 2/ 3 Non-3tationary Equations of Viscous Fluid Dynamics SOV/20-128-1-10/58 UVdx + V f~U' V' dx + ~ Uk U' Vdx fVdx xk xk xk A holds for all V =-' ITIAIJ.) Theorem 2 t For m - 2 there exists the solution of (9) for t -~- 0 . Theorem 3 states the correctness of the problem. Theorem 4 considers the stability of the solutions of (2) for t->oo in the case m. - 2 . M.A. Krasnosellskiy, 3.G. Kreyn, and S.L. Sobolev are mentioned. There are 13 rpferences, 10 of which --re Soviet, 2 German, and 1 French. Association: Voronezhskiy sel'skokhozyaystvennyy institut (Voronezh Arricultural Institute) PRESENTED: May 14,1959, by A.114. holmogorov, Academician SUBMITTED: 11'ay 13,1959 Card 3/3 1-&~ I ~, -/I, t.; J 66442 AUTHORS: Krasnosellskiy, I.I.A., and,,Sobolevskiy, P.Ye. SOV/20-129-3-7/70 TITLE: Fractional Powers of Operators Actingifi-B-affffidY-S-paces PERIODICAL: Doklady Akademii nauk SSSR, 1959, Vol 129,Nr 3,PP 499-502 (USSR) ABSTRACT: An operator A in the complex Banach space E is called normally positive if D(A) is dense in E and if for all t,>O there exist the bounded operators (A+tI)-l defined in the whole E, where (1) 'I(A+tI)-' 11 ,1 and a certain E > 0 the inequality Card 3/4 675514 AUTHOR: Sobolevskiyq P.Ye. SOV20-130- 2-8169 TITLE: Tfi-eUse-of Fr'actional Powers of Self-adjoint Operators in the Investigation of Some Non-linear Differential Equations in Hilbert Space PERIODICALt Doklady Akademii nauk sssR,196o,vol 130,Nr 2, pp 272 - 275 (USSR) ABSTRACT: The author investigates the non-linear problem ( - ) v' + A(i,v) - 0 (0 ..-: t . T);v(O) - v 0 in the Hilbert space H. Certain functions y - y(t) with values in H are introduced so that a solution U(tjO; y) of the linear prcblem z' + A(-t,y)z - 0 (O,'_'t~~T), z(O) - v 0 coxxespomds to them. Tha existence problem for (1) is thus reduced to the quesition whether -the ope-rator Uy - U(t'0; Y)vo possesses a f-,xe,l point. At- first the author considers the linear problem, uhere he essentially generalizes his former result CRef 7-7 Card 1/9 ,3 The Use of Fraot~_onal Powers of Self-adjoint Operators SOV/20-130-2-8/69 in the Investigatior, ot" Some Non-.linear Differential Equations in Hilbert Space ,2on,2erningp the existence of the solution in the homogeneous ,-aqe~~ Then ht investigates (1) with an abstract operator. The general _--_SUIt3 are applied to parabolic equations with an elliptic operator of 3econd order and with non-linear boundary -:!ondit,~ons. The details are based on the use of fractional -.pe.rator powers. The aurl-'~- thanks M.A. Krasnosellskiy for the subject. There -are c,; Soviet references. A~;SOCIATIONi Voroneshslciy sellskokhozyaystvennyy institut (Voronezh Ag-,icultural Instifixte) PRESEYT~,,D: ;,~, oy A.N. Kolmogorov, Academician I'. SUB."'ITTED-, September 17~ 1959 Card 2/2 69h98 S/020/60/131/04/12/073 AUTHOR: Sobolevskiy, PYe. TITLE- rh-e-~Smoothness of Generalized Solutions to Navier-Stokes Eouations PERIODICAL: Doklady Akademii nauk SSSR, 1960, Vol.131, No-4, PP-758-760. TEXT: The author considers the linearized stationary hydrodynamic problem (1) b'u(x) grad p(x)+f(x), div U(x) = 0 for xESI; U(x) = 0 for x E F , where ~Jis a bounded open domain with a sufficiently smooth boundaryr'. Let PI(x) = p(x) on r and Ap, = 0 inja . Theorem 1: If Itis continuously differentLablo, theii (3) p A171 div f-, + p Theorem 2: Let f,1- L q >2. Then (2) ui(x) = jGij(X,Z)f i(z)dz, p(x) 9i (x,z)fi(z)dz is a generalized solution of (1); -the equations are satisfied almost every- Card 1/3 X 69498 The Smoothness of Generalized Solutions to Navier-Stokes Equations -> 02 p C-V12' (D,); it holds where; Uc- W, 2 (4) 11grad p 111,2 C(q) f>11L U (q) 11 If e C W 2 Q 2 ') -U, If q >3, then p and -i~x - Then the-author considers the U t VA?+ u k x = k (6) --tinuous in~F2. S/020/60/131/04/12/073 nonlinear instationary problem grad p + f, div U 0 for x E t >0; 7A t, X) 0 for x E t >,.,O; 6(0, x) ? (x) for x C- 0 The author proves the existence of a solution under weaker assuptions o n 0 than in (Ref.4). The author investigates how for t> 0 the smoothness of-? J,Y Card 2/3 69h98 The Smoothness of Generalized Solutions S//020/60/131/04/12/073 to Navier-Stokes Equations increases. Theorem 3: Let f t,x) in all variables satisfy the condition Lip rwith y-> 3/4z Then-T and p (for t >0 are the classical eolutions of (6). The form of the solutions of (6~ was considered by the author in (Ref.6). The author mentions M.A.Krasnosellskiy, V~P.Glushko and S.G.Kreyn. There are 8 references: 7 Soviet and 1 German. ASSOCIATION: Voronezhskiy sel'skokhozyaystvennyy institut (Voronezh Agriculturql Institute) PRESENTED: December 9, 1959, by P.2-Aleksandrov, Academician SUBIJITTED: December 9, 1959 Card 3/3 SOBOLEVSKIY, P. Ye. Doc Phys-Math Sci - (diss) "Theory of fractional degrees of operat- ors in Banach space, and its application in studying equations of the parabolic type." Moscow, 1961. 20 pp; (Ministry of Higher Education USSR, Moscow State Univ); 200 copies; price not given; bibliography on pp 19-20 (23 entries); (KL, 10-61 sup, 203) SOBOLEVSKIY, P.Ye. Stabilization of solutions of nonlinear parabolic equations. Uch. zap, AGU. Ser. fiz.-mat. i khim. nauk no.2:17-23 16l. (MIRA 16:7) 3 1; 8 60 S/044/62/000/002/052/092 C111/C444 AUTHOR: Sobolevskiy, P. Ye. TITLE: On equations of parabolic type in a Banach space PEI'UODICILL; Ref(~rativnyy zhurnal, Matematika, no. 2, 1962, 109, abstract 2B481. (-'Tr. Mosk. matem. o-va", 1961, lop 297-350) TEXT: In the Banach space E one investigates the ordinary differential equations with the initial condition '1t=0 vo. ~ linear homogeneous differential equation: A(t)v = 0 ~ linear inhomogeneous equationt A(t)v f(t) (2) ~ non-linear equation: Card 1/~ t A(t, v)v f(t, v) (3) SIOAA1621000100210521092 On equations of parabolic type . . . Cll~A444 In 2 one ixivejti6zte~; the equations (2) and (3) by aid of' the results 1. Tho formal solution of (2) ujay be written down in the following t V(L) U(t, 0) v + U(t, s) f(s) do (5) 0 0 in the c".,;e of the equation (5) an analogous formula leads to a non- linear inte'-raii equation for the searched soluti6n. It is proved that in cELse of f(s) satisfyinE; the condition Lip 3 , (5) defines a function which is stronGly continuously differentiable for t > 0, ~;,,Lti~fying (2). Adjoinint; the properties of v(t) are carefully illy,zf0ti"Ited undi--:1. dif!"frelit ~,uppositiollv oil Eupecially v(Q ::,rov,~s tc, be analytic uncer certain suppositions. With respect to tho el-uation (5) one obtins zhe followin6 result: Theorell, 7: Let A0 = A(O, V 0) be a linear operator with its domain D boing donse in E. A 0 is assumed to satisfy (4) and its inverse operator to be comp, [Ot,l) and all v from v R the operator ztct. For all Card 3/Y- -/ -; '0-0 '002/0z2/092 S/04A '6-/ - On e(iiiations of parabolic type . . . C 11 1/C444 A v) be defin~-,d on D, the functions A(t, A v) A- and Ak 0 0 0 ft, A -', v) are to satisfy on this sphere the condition Lip i th 0 6 N reLpec tto t and Lip ~ with respect to v, At least let v 0 D (A0 f a -2 a an d ~ A" v 11 --- R. Then there exi~i ts in a certain - 0 0 intcrV41 LO, tol at least one solution of (3) being continuous for and being continuously differentiable for 0, santis- t 0 , *60_ U fying the initial condition v t=0 ~ vo. If 1, then there exists such cL i;olution even withoutithe supposition of the compactness of A-i of ,then this solution ia unique and can be obtained by successive -appro- ill � 3 the obtained results are applied to the investigation of linear and quasilinear parabolic equations. For the latter one Droves. a local 'theorem of existence (without ahy restrictions on the growth of the CoeffiCientS). I ~f-, 1-Abstracter's note: Complete translation.] card 4/4 ';OF'C)LE:VSKIY, IL S 4-) 1 -~~) 1 -41 -- v ~! ,j ) ..; P, Ye. t u. I k method of proving rionlocal existance theorems for parabolic equations. Dop. AN URSR no.12:1552-1555 161. (KIRA 16:11) 1. Voronezhskiy sel'!3kold,.ozyaystvenny-y institut. Predstavleno akademikom AN UlrSSR Yu.A. Mitropoltsk-im [YVtropol's'lkri, IU.O.J. SOBOLLIVSKIYI P.ye. Equations ot a para'~olic type in Banach space with an unboitnded variable op*rator having a constant field of determination. Dok-I. .-.N Azerb. SSR'17 no.6:447-450 161. (MIRA 14:8) 1. Voroni'Ohakiy se Iskoldiozyaystvennyy institut. Predstav- leno akadeAlkam..AN Azerb,SSR Z.1. Khalilovym. 10irators (Mathematics)) 8960-11 A S/'02o16111361oO21Oo61O3. 16 3.rv C I / C --;z 3 3 AUTHOR: 89~ TITLEt Local and Nonlocal Theorems of Existence fo-r Nonlinear Second-Order Parabolic Equations PERIODICAL: Doklady Akademii nauk SSSR, 196i, vol. 136, No. 2, pp~, 29~-205 4 - -, TEXT: Let Abe a bounded domain of the m-dimensional space with the boundary S. The author investigate--s the existence of the solution of (1) vt - a vx' ) V11 L(t.x,v,vI vt ik(t'x'v'v;l' m xixk x1 xM which satisfies the initial condition (2) V(O,X) = v O(x) and one of the conditions (3) V(t,.C) = 0 or Card 1/4 8 9 60 3 S/020/61/136/002/006/034 C 111/ C 333 Local and Nonlocal Theorems of Existence for Nonlinear Second- Order Parabolic Eauations a tjxjvjv 1"-, vxl vxl cos (n.x + 6'(t,x,v,vl 1,-, V, )V=O ik( X, k x x n is the normal vector to S. The author assumes that S and all functions in (1) and (3) are sufficiently smooth and that the form aik ~i Yk is positive definite, while the function E- is nor-negative. The problem (1), (2), (3) is reduced in (Ref.2,3) to Cauchy's Dro- blem for the ordinary differential equation (4) v1 + A(t,v) v = f(t,v), v(0) = v0 in L (A), If v belongs to a certain set, then A(t,v) is a linear oper9tor in L (JI) which is defined by the elliptic differential expression p (5) - aik 7~11xik and by one ol' the boundary conditions Card 2/4 89603 S/020/61/136/002/Oo6/034 C ill/ C '333 Local and Nonlocal Theorems of Existence for Nonlinear Second-Order Parabolic Equations (6) z - 0 or az zx, cos (n,x ) + 6'z - 0 .Lk k i (the a and lYdepend on t,x,v,vf.),. The theory of equations in the ik xi Hilbert space with positive-definite self-adjoint operator developed in (Ref.3) can be transferred to differential equations (4) with such operators. The author shows that from the priciple of Schauder it follows the locai theorem of existence for (4) and the local theorem of existence for the classical solution of (1), (2), (3). If an apriori estimation 00) sup 11 A~(t.v) v1', C (T) 0 < tK T p p is possible for one then the nonlocal theorem of existence holds. The author succeeds in obtaining such an apriori-estimation for the simpler problem: Card 3/4 1 89603 S/020/61/136/002/006/034 C ill/ C 333 Local and Nonlocal Theorems of Existence for Nonlinear Second- Order Parabolic Equations (11) V ' - a 11 + a,(t,x,v) vi. + a(t,x,v) = 0 and t ik(~'X) vX11ixk X (12) v(t,x) = 0 or a (t.,X)V. cos (n,xi) + 6-(t,x,v)v = 0 -ik xk The estimation has the form (24) 1 A(t)4 S- F (T) Lp - p S. L. Sobolev, M. A, Krasnosellskiy and S. G. Kreyn are mentioned. There are 13 references; 12 Soviet and 1 Japanese,, EAbstracter's note: (Ref-3) is a paper of the author in Doklady Aka- demii nauk SSSR, 1960, 130,D2 . ASSOCIATIONs Voronezhskiy sellskokhozyaynstvennyy institut (Voronezh Agricultural Institute) PRESENTED: July 1~~160, by S~ L, Sobolev, A~ademician SUBMITTED: July 1960 Card 4/4 'S 0 j S/020/611/138/001/00?/025 C !'~!/ C 222 AUTHORs Sobo-levskiy, P. Ye. TITLE,, rarabc1l:. eauations in the Banach space with an un- bounded -var-lable operator the fractional power of which has a constant domain of definition ,PERIODICAL- Akadem.4ya nauk SbSR. Doklady, v. 138, no. 1, 1961, 59-62 Tl-;XTg The au"hor iransfers a Dart of his earlier results (Ref.l: DAN, 123, no. 6 (7958)? Ref. 2s DAN 130, no. 2 (196o) to Banach spaces. 7 n january '95'? the auzhor rapc7-~!:d about the presen- paper in the Be- mirar on funct_,ona'~ spa'_,ysis a~ tlbe Voroni;rli State University. The authoz, consid,:-rs tte DrobIea- d..? A(-.) -i = 0 v (1) V\ twqere v is -hx2 s,:nivh~ function, t rT,.Tj~ with -values in the Banach spa:e Ez A(.7) (0 T)--- ii-near operator in E; d,F - - "-m-t value of the corresponding difference relation _~71 deT ra.:.ve CiLr-d -~4~ Paraboi.,.z equa,~Io." .:n. t.'R-e Banar-h ,with resper,*. t,~ %the n~~r-r of E)- For e-ery d o in a -~ n -: f d e I I n., t i i~- n Dt, O"rerywhere J- R 9 0 1e t the opera A( I ha-,re wh e r a S/020/67'/138/001/007/023 G 'Ili/ C222 , O.S. ~J~O,Tjlpt A(t) have a dens e in E - rir every ^" wi th a bounded inverse operator 11 r (2) I ; A( Then frac-.ional powers of A(r) are defined (Ref.3, M. A. Krasnosell 3-iy, P, Ye, Sobolevak-,y~ DAN no. 3 f~q _59) Let ~,O..!) and ;' be iin .n,.ege.r so that C, e, !g (0, L~e' Al~ (t)A- be bounded for a12 !6,T'j; let the operator k A adm~-,~ the ~.,Icsure up to a bounded operator. Let A A C t (3) where C -.- 0, 'O,Tj and denotes each of the bounded A A- A A '?'(t) A~'4 (r) T A M Card 2/6 23803 3'/020/61/138/001/007/023 Parabol-,c equations in the Banach C C 222 f then 1.t concerns only the second operator). Theorem 1 a5aer-.s tha: there exi.sts an operator function U(t,,'~-) defined for all 0 -,'. 7' t r- "I with values in the space of bounded linear operators over E s.~~ that f,)-?- e-.'re:-y vF. (1 ) has a unique for all t cont.-nuous and for continuously differentiable solution 'T, (6) whe -_ e f 7V D A (1: h e e c tor f unn t i or- v_ ( t) is con tinuou s I y differentiab`e and f or iat~isfies The author gives numerous propertie, ani estimalions Po!- e. U0_-::) is un--formiy cont,-nuous _;n 1. and `~_for all t;,T; U(t,t) 1, and for all I t _d s U lu U (4) -i~* Tar iP~T it holds f~~.- al-, d -e- (7) A IU( )A (0 Card 23803 9/020/6i"38/00--/007/023 Y /; P a r a bol -_-, -equ a 'I cr; .3 --n -he Bwv3c'~ '11/ 0 222 ~4 A C U)* t (0 Th e n the p r o b, d-g- A( T 7(0-1 7 d-r 1 0 ta considered. Theorem ?t Let the vector functIon f(t) satisfy f 0. T i C > 0; 0 1 (12) Then for every 0 E U U(t,O) C, f(-,) dT' (13) defines a unioue solution jof (It.) continuous for all t 0 and continuous- ly differentfable for Jr '-w 0" 1 f D CA(Wthen v(t) is continuously; Card 1/6 S/020/6-/'?'k 23603 .,8/001/007/023 Pafabol.--~ eWuv:.,cns :ri the Banaf;h C 222 There are i Sovtat-blcr, refei7ences, A`,-'*,SOGjATTA0N~ Voran,~zh5kiy se'qsknkhozyaystvenuyy institut (Voronezh A gr c v r a r s t, ti. t e) ;~,vESENTED.-. De,~embe7 6. '060. bY G, Petrovskiy, Academician SUBMITTED- D--cember 7; 61) Card 6/61 233Z7 S/020J61/138/002/009/024 C111/C222 AUTHORs Sobolevskiy, P.Ye. TITLEx Evaluation of the Green's function for second-order parabolic partial differential equations PERIODICALs Akademiya nauk SSSR. Doklady-, v-.158, rke.2,1961, 313-316 TEXTt Let S-L be an open finite regi n of the n-dimensional space bounded by a closed surface S of the class A?I ,~ ). Let x = (x 1 x2'-'xd. Let a A (i,k - 1,2,.. n) and a(x) be defined on Let and a(x) be continuous on TI and satisfy the Hd1der Let 61(y) be defined and continuous on S. Let a ik(x) the ?a ik(x)/"i Xn condition in = a ki(x), a 2 for all I..., and a > 0 ri kk ik(x) en 0 i9k-1 a(x),> a > 0 and 6(y)> 0 . Let v (x) be continuous on Fi 0 0 The author considers the problem Card 1/9 23827 S/020/61/138/002/009/024 Evaluation of the Green's .... CIII/C222 9V n D x 57 - z [ ai~,(,:) g-.,, + a(x)v - 0 (t>O, xE i,k=l 9-x, I lim a X) v coa x + qj(y)V 0 (t>0, YF-B) (2) Z_ ik( y i x4y i,k 1 -Xk- me N y V(O,X) - V 0 (X) (x E: (3) where 14Y vector of the outer normal to S in y. The solution reads V(t,x) G(t; x,y)v 0(y)dy (4) where the Green's funct ion G(t;x,y) s is continuous in (0, oo X fL X and in (0, co ) x Sj x S-I one time continuously differentiable with respect to t and two times with respect to xg satisfies (1) and (2), is non-negative and symmetrical with respect to x and y. Furthermore it holds Card 2/9 Evaluation of the Greep-13 ... 23827 SI/020/61/138/002/009/024 A 2.,-, uilixc 4 G ( t + y) G (t; X,Z)G( V; z,y,)dz 2 for all t, V > 0. Theorem I s Lot t 0> 0 . If t G (0, to I then I t holds S,(t r2, O.:~G(t; x,.v)4 C(t exp 0 x t-,/2 t if t> "t then Oj!~G(t;x,y):!5~C(t0)exp a ot (5) (6) (7) here C(t. 0 (to )>~O Theorem 2 t Let JO E(o,-'), E06 (0, '/2) , V E [0, Y (0) E if t e (0, t then VV// Card 3/3 23827 S/02%61/138/002/009/024 Evaluation of the Gn~enls ... Clill C222 .r- JG(t; X,Z) - G(t; Y?Z)I,< xy 21 n+Y +f + ~(t E)r 2 2C li~ - 2 E 'exp r C(t 1 9 1 ir.n (8) 0 0 where r = miii. r r If t> t1len x t0 r 4G t, x, z 0( t, y, z) C (t,,, )lo) exp a.t (9) xy Theorem 3 g Let e(,Y') SEI U3 1 13' (y I) - T(y 2) 1 ~6 (' yl- Y21h(C.-,~-O, 04-1141) (10) if t r= (o, t 01 then G(t; x, Card 4/9 ~-)U e t S/020/61/138/002/009/024 Evaluation of the Greents C111/C222 n+1 +, 1 2 _ j+ S(t E)r 2 2 C(t exp 0 t r-2t , t 0 t min xy If t;Z>t0then I ~ G(t;x, y)14 C(to)exp I- aot (12) ?xi for the mixed derivatives it follows with the aid of (5) 1 2- G ( t; x, y) xiTyk E+2 +, X n+2 :!~C(t E)exp 0 r2 min t 2 r-26 , t 2 (13) 0 t xy xy for t C(O't0 Card 5/9 23827 S/020/61/138/002/009/024 Evaluation of the Green's ... cl,1.4/C222 32 G(t; x Y)I,< C(t )exp a tj for t>,to (14) x Yk 0 Theorem 4 1 Let (10) be satisfied..-L"et );~0 e (0, min hj) and .P C [0, If t E (0, then ') G t x, -2- G t'; y, z (16) rX11 "Xi n+I+Y n+I+Y y Yi C (t , >) , Eexp ~(to 0 E)r2 min t 2 r- 2E 't 2 0 0 t I f I V~ where r - min r r z3. If t ~t then ~ xz y -~, o G( t-,x, z) - ~*-' - G(t;y, z)l !~C( to, 90)exp aotj (17) x ; -xi yi f - Since S G AO there exists an r 0>0 so that for every x4afZ being Card 6/3 23827 S/020/61/138/002/009/024 Evaluation of the Green's C111/C222 distant from S less than r 0 there exists a next point p x CrS obviously xEN . Let PX dv n a ?v Cos X dT z ik(x) 7x- p i PX i,k-1 k x Theorem 5 z For tlr=(o,tol it holds d G ( t; x, y) dT PX 1 +1 2 E.- -e C ( t 0 e xp ~(to9F-)r Min t r-26 Y t 2 (19) f t XY For t > ,,t it holds d G(t;x, y)I::!~C(to)expf- a t (20) Card 7/9 dT PX 0 23827 S/020J61/138/002/009/024 Evaluation of the Green's ... C111/C222 Theorem 6 s Let 9 0 E(Op ) 0 9 E [09 .90] . If tr.(O,to] then I -d r- G(t;x, z) -2 G(t; y, z)1 4 xy ~-T PX ~T py 2 n+l+y +E n+1+.9 ~(t ?V E)r 2 -2E 2 0 0 1 !~-C ( t0, v0, E) e xp - -t - min t t (21) where r = min r r If t> f XZ9 Y& ,0 then G( t; x, z) - 7-fL G( t;y, z) 4!~ C( toty )exp a t (22) Ay I-T "I PX py 0 0 Theorem 7 : Let x,y,z eS and t 6(0,t.1 . Then it holds Card 8/9 23827 S/020/61/138/002/009/024 Evaluation of the Green's ... C111/C222 d 0 (t; X, Y) W.- 6 Ys. a) r*;, M+I-L +a < a) exp -1 1 -min it- a r;,,29, t (23) _�_ 0 (t; x, z) _ d 0 (j; Y, 2) 1 < dT. (24) < C (to, Vo, exp (10. VO, 6) rI minft- t rXIF where r min r r ? ~ xz yz5 The given estimations can be applied for the investigation of fractional powers of elliptic operators. There is 1 Soviet-bloc and I non-soviet-bloc reference. ASSOCIATION: Voronezhskiy sellskokhozyaystvennyy institut (Voronezh Agricultux-a-1 Institute) PRESENTED: December 8, 1960, by I.G. Petrovskiy, Academician SUBMITTED: December 7, 1960 Card 9/9 MAZIYA, V.G.; SOBOLEVSKIYy P.Ye. Generating operators of smigroups. Usp.mat.nauk 17 no.6j 151-154 N-D 162. (MM 1611) (Operators (Mathematics)) (Groups, Theory of) SOBOLEVSKIY, --P-.Y-e. Green's functions of elliptic operators 99 any power (including integral powers). Dokl. AN SSSR 142 no.-4&804~ 807 F 162. (KM 1582) 1. Voronezhskiy sellskokhozy#qstvennyy institut. Predstavleno akademikom I.G. Petrovskim. - Potential, Theory of) Merators(Mathematics)) KRASNOSELISKIY-~'kM.A.- SOBO~:~KIY P.Ye. Structlihre of a set of solutions to parabolic equations. Dokl. AN SSSR 146 no.1:26-29 S 162. (mm 1. Voronezhskiy gosudarstvennyy universitet. Predstavleno akademikom I.G. Petrovskim. (I~ifferential equations) (Operators (Mathematics)) PrAY S1020162 1'146/004/003/015 B112/B186 AUT!'-OR: Sobolevskiy, F. Ye. ITLE Seooti,I-ordor "ifferential equations in Banach space nau:k 3SSi, Dokllady, ;-. 1-16, no. 1962, 7f'7,'e '177, W EXT The nroblem v" -# A(t)vI 4 3(t) - f(t) (L)-r---0 at the derivative v" W are considered. Tne solution of the latter one is shown to tend to tile solution of a degenerated ftrst-order equation. The method applied is different from that of B. :ilityagin (Izv. AN AzerbSSR, ser. fiz.-matem., No. 1 (1961)). 0 ASSOCIAI-ION: Yoronezhskiy sel'skokhozyaystvennyy institut (Voronezh Z'~6=icultural Institute) "HE S--"1T'1--' D: Larch 2B, 1962, by I. G. Petrovskiy, Academician SUB.',IITTED: IAarch 27, 19062 Carl 2/2 rreth,~It e~f fracij,~ nal powers ,)f' operators in analyzing TIM" yayst-7ernT :in~ zh s' S 1 3 k r.z Jnst'--u'. f SC,Pk)i,FV3K.IY, il.Ye. Stud%r of Navier - Stokes equations using ipieLhodu of the theory of P~rabalic equat;ions in Banac,-, sraces. Dokl. AN SSSR 156 1 ( '- ~ T ZL,' I- no. 4:745-74P) ~e 64. 1. FredstRvl~-no akadenikom S.L.Sollclev~rm. structare of a set U'kr, mat. znur. 16 SOBOLEVSKIY, P. Ye. Goercitivity inequalities for abstract parabolic equations. Dokl. tJJ SSSR 157 no.1:52-55 J1 t64 (MIRA 17:8) 1. Predstavleno akademikom I.N. Vekua. SOBOIZTJSKIY, P.Ye. Generalized solutions to first-order differenUal equations in Banach space. Dok-1. AN SSSR 165 no-3:486-4,89 N 165. (MIRA 18:11) 1. Voronezhskiy sellskokhozyaystvennyy institut. Submitted April 12., 1965. ~,13!Xl, ,. 1. 7, :- . 1,, 2:ri~r. II Di -- LC~10-1., . . 3co,07,~~.t~c,n c),~, L,,,,_i in C:la:3s Pro-iu. " " T - f a it r, 11 W ts 1, L -A- V, I t it U a u a v u 4 is J6 The de*A*djm%e* ad wed alifo, p,,m. 0. saher. r4;kayg brkdv. of 11'r a NI 14 - - -------- - LITERATUAt CLASSWKATtOM dot 0 U n &I w3 li; 4 ft ti It At K d it ME A a it 9 100 0 0 0 0 0 0 0 0 0 0 40 0010 9 ff-r Val j0 1 9 a rld 0 IS It 0 0 0 0 9 IOA GINZBURVr. D.B.; FIGUROVSKIY. I.A.; SOBOLEVSKIY, S.I. Efficiency promotion of the gas supply system at the Gusev Crystal Class Works. Gaz.prom. 4 no.9:22-26 S '59. (14IRA 12: 11) (Gusev--Glass manufacture) (G!x! producers) SAVONICHEV., G.V.; FIGUROVSKIY, I.A.; SOBOLEVSKIY, S.1,; BYKOV, V.V. Preparing lead crystal in a pot furnace. Stek.i ker. 18 no.5:9-11 my 161,- (Glass furnaces) (14IPA 14:5) 1"W4~L_nya M~Y_' i~ D L L V 1J5SR/_---ncinecrinc, Z,'easurin& Instrwnunts Card 1/1 rub. 103 - 9/2-5 Authors 9, Vinokuralkiy. S. A., and Scbolovskiy. S. V. Title t V-166 instrument uzzed for,measurin- the thickness of coatinvs PeriOdical I Stan. i instr. 1, paCi 25, Ten 1955 Abstraot I The 1,11-Union Scientific Research Institute for Medical Instruments and Equipment. deEiened and construe-ted a new-type of instrument for measuring the thickncss of anti-magnetic coatings on maGnetic metals. A description is presented of the above mentioned instrument, together with technical date. Illustrution. InstitUion Submitted I--- ~'. /.-' f . ; I,/ '. ~II . I .- - i I VIKOKURSKIY, S.A., SOBOJZVSKIY, S.V. " The IMU-1 instrtiment for measuring the power of ultrAsonic wmtveB. Priborostroe:nie no-11:30 N '56. (MLRA 10:1) (Ultrasonic waves--Measurement) VINOKURSKIY, S.A.; SOBOLEVSKIT A~- Devices for controlling the thickness of a conting (B-22 and B-21) Med.prom. 12 no.4:46-50 Ap '58. (MM 11:5) L Vsesoyu2nyy nauchno-iseledovatellskiy institut meditainskogo instrumentariya i oborudovaniya. (BLECTROPLAT ING) VIllORT4'iY,lY, S.A.; SO,B-O'UVSKI-Y, S.V. Inatrumenta for --easuring tho thickneas of coatlngn. Stan.1 inutr. 2.9 no.5:38-39 My 158. (MIRA 11:7) (Magmetic instruments) PAVLOV, N.V. inzh.; RASM-11 I.I.A. inzh.; SOBOUIVSKIYp S.Yu., J, y 2 - inzh. layoul -f an exposed BF-Z .160-10OF boiler unit operating on -vul-vel-ized coal. Energomashinostroenie 7 no.4:35-37 Ap f6l, (MIRA 14:7) (Boilers) SOBOLEVSKIY, T.F. - - Some characteristics of the occurrence and cost of gold. Kolyma 21 no.1:37-41 A '59. (MIRA 12:6) (Gold mines and mining-Costs) ~10,"T- 711, %T, T "0 X 0, - o eol I.T. D M : Unclass. -mh-" Part 1, 1.951, Uncl, SO: ir, 1011-1-et, ('Ieorr-r "I k, SOBOLI:VSKIY. V.I.*, FAVLITSKiLTA, Ye. I. ~ [How to prospect for fluorite] Kak iskat' fliuorit. Moskva, Gos. izd-vo geol. lit-ry, 1952. 23 p. (KLRA 7:3) (Fluorite) SOBOLEVSKIY, V.I. -1 rief course in descriptive mineralogy] Kratkii kars opisatellnoi mineralogii. Moskva, Mosk.gornyi in-t im. I.Y.Stalina, 1957- 161 p. (MUU 11:7) (Mineralogy-Classification) NAKHIMZHAN, Oskar Emzich; SOBOLEV"SKIY, V.I., kand. geol.-miner. nauk, red. ; MANOLE, M. I. ; red. ; PLAKSHE, L.Yu., tekhn. red. (Dictionary of mineralogical terms in fiTe languages]Piatilazych- nyi slovarl mineralogicheskikh natvanii. Pod red.Sobolevskogo, V.I. Moskva, Glav.red.inostr. nauchno-tekhn.slovarei Fizmatgiza, 1962. 347 p. (MIRA 16:3) (Dictionaries, Polyglot) (Mineralogym-Dictionaries) SHLIPPE, Sergey Aleksandrovich; SITITSBA, Yekaterina Fedox-ovna; S30BOa-vs 2~-NS~K~, V.I., kand. geol.-miner. nauk,, red..; MURONETS, -1.I., red. izd-va; KOLGIIAIIOVI V.P., spets. red.; PLAKSAS, L.Yu.., tekhn. red. (Geman-Russian geological and mineralogical dictionary] Ifemetsko-russkii geologo-mineralogicheskii slovar'. Pod red. V.I.Sobolevskogo. Moskva, Fizmatgiz, 1962. 472 p. (IMU~ 15:11) (German language-Dictionai,ies--Ruopian) (Geologj--Dictionaries) (Mineralogy-Dictionaries) 8(6) SOV/112-59 -5-85 12 Translation from: Referativnyy zhurnal. Elektrotekhnika, 1959, Nr 5, p 16 (USSR) AUTHOR: Sobolevskiy, V. M. TITLE: Elastic Stressed State of an Anisotropic Round Cylindrical Pipe in an Anisotropic Elastic Medium, the Pipe Being Subjected to an Internal Pressure, an Axial Force, and Radial-Heat Flow PERIODICAL: Dokl. AN BeISSR, 1957, Vol 1, Nr 3, pp 83-88 ABSTRACT: A theoretical investigation of the problem is submitted. Card III SOV/124 -58-4-4548 Translation from: Referativnyy zhurnal, Mekhanika, 1958, Nr 4, p 125 (USSR) AUTHOR: -Sobo1e-,,_-_k-i_F.V- ki. TITLE: The Elastic and Elastic-plastic State of Stress in a Round Cylindrical Pipe in an Elastic Medium Under the Action of Internal Pressure, Axial Force, and Radial Heat Flow (Uprugoye i uprugo-plasticheskoye napryazhennoye sostoyaniye krugovoy tsilindricheskoy truby v uprugoy srede pod deystviyem vnutrennego davleniya, osevoy sily i radiallnogo teplovogo potoka) PERIODICAL: Uch. zap. Belorussk. in-t nar. kh-va, 1957, Nr 3, pp 207-Z52 ABSTRACT; The paper investigates the elastic-plastic deformation in an isotropic cylindrical pipe in an elastic medium, subjected to the action of a uniform internal pressure, an axial force, and a tem- perature which is the function of the radius. The cases of a Hooke-type medium and a Winkler-type medium are analyzed. The solution is based on the assumption that there is one zone of plastic state next to the interior surfac*e of the pipe. 1. Pipes--Stresses 2.'Pipes--Elasticity 3. PV.71. Lom,kin Card 1/1 --Deformation 4. Pipes--Temperature factors 5. Pipes--Test methods SOBOLEVSKIY,;v *M.,.,.", - . , - - Elastic and elastic-and-plastic strained conditions of a hollow spere in an elastic medium under the action of inside pressure and radial heat flow. Izv. vys. ucheb. zav.; energ. no-3:103-110 Mr 158. (MIRA 11:5) l.Belorusakiy institut narodnogo 1-.hozyay8tva Imeni V.V. Kuybysheva. (Elastic plates and shells) AUTHOR: Sobolevskiy, V-Y. SOV/170-59-3-7/20 TITLE: Elastic and Elastic-Plastic Strained State of an Unevenly Heated Revolving Circular Cylindrical Pipe (Uprugoye i upru- go-plasticheskoye napryazhennoye sostoyaniye neravnomerno nagretoy vrashchayushcheyaya krugovoy tsi1ixd:Ach(-.3!-qj truby) PERIODICAL: Inzhenerno-fizichaskiy zhurnal, 1959, Nr 3, PP 52-61 (USSR) ABSTRACT: This is a report delivered in the institution mentioned be- low (see Association) on 12 April 1957. The author investi- gated the elastic and elastic-plastic strained state of a circular cylindrical pipe revolving with a constant angular velocity and being subjected to a uniform internal and ex- ternal pressure, an axial force and a radial thermal flow. The pipe is in anelastic state. up to certain limiting values of the angular velocity, pressures and temperature differ- ences. At sufficiently high values of these quantities a plastic zone arises within the cross section of the pipe. At a further increase of them a purely plastic state of the entire cross section sets in, and the pipe can function only under condition of reinforcing the material. The author de- rives formulae for the reinforcement function and radial and tangential stresses in the pipe for the cases when its ma- terial obeys the general law of reinforcement or the linear law of reinforcement beyond the limit of elasticity. The Card 112 formulae derived hold for any temperature function varying SOBOLWSKIY. V.H. State of elastic and elastopolastic stress in an unevenly heated rotating circular cylindrical tube. Vestsi AN BSSR. Ser. fiz.-tekh. nav. no-3:119-128 '59. (MIRA 13:3) (Elastic platee and shells) ~q/124/60/000/003/016/017 A005/AOCI Translat'on from~, Referati~rnyy zhurnal, Mekhanika, 1960, No, 3, pp. 114-115, 3757' UI.TDF, Sobol-evskly, V, M. U~ lh~ Elastic and Elastic-PlastIc o tr 9. Hol -I ow Spj:Iere~ :;,--n a~ - 'S, lennal Press-,_-z-_r azA Radial in EI-_ ;Ll~ M.,dti= 'Unde:, the Effe in S-~,,~ady Feat FE i,-,w R7 D'A_ U_-t, Zal), in-ta nar, kh-va, 1,959, No, 5, pp, 191-211 !n-_ autho-_, cor_~~iders a sDe-jial casep of t,12- croblem, solved bq him e~~ iIzv, -,.rys~ih. ucheb-p-, zaveder-fy. _%srgetika, 1958, No, 3, PP, 103-110 FZIII~_kh, 19~59, No, 1, p~ 800), on the elasti,? and _-lasti,-plas`,_43 stress stat=s bollow sp),_-z-re In an elastic medium under the effe- of int '&rrnal pressure. az~j _-adlal -_4isteady heat flow, This special case is the case of a -zleady heat I'Low, The equation c;f heat; -~onductlvit.y fol, this spe-_.-.Ja.1 ca2e- - in'-. ~-, g, r. -A+, -3!d jzd~_r the following boundary c-ordi',Ion_z,,, Tr,ne temperatures at. the lnt~:lnil -~Lnd ~-xT. .~rnal slz.rfaces cf, the sphere -and 0-ie -.~Inparatire at, an azbitrary. _.ard 11/2 3/124/60/000/003/016/017 A005/AOOl T'he Elastic and Elastic-Plastic Stress State of a ffo!Jcw Sphere in an Elastic Medl,= Under the Effect of Internal Pressure and Radial Steady Heat Flow of the elas'.i.~ medium are given. The formulae obtained for the temperature distribution function In the sphere ard In the elastic medium were inserted into formulae derived In the author's previous work for the stre,--ses in the hollow spheres and in the elastic medium at purely elv-tstlc and elastic-plastic states of the sphere, The ooQling of the external elastic medium caused by the Internal med.lum inside the hollow sphere is considered. It is assumed that the cold period, in the course of which -the temperature of t-he medium within the hollow sphere is kept constant, is limited, The dependence of the cooling zone radius of the elastic medium on the duration of -the cold period is found, A graph of V46 this deuender%~_~ is plot-ted, A numerical example of thie stress calculation is given, The fomilae for calculating the stresses inside the elastic spaGe zurro-=,ding the sphere hollow are added, which pertain to the elastic and elastl-_-plaztdo 5treez states. A nume-rical example is given, I. N. Danilova Card 2/2 SOBOLEVSKIY) V.M, Some cases of integration of an ordinary differential equation describing the stressed state of an anisotropic and nonuniformly heated disc. Vestsi AN BSSR. Ser. fiz.-tekh. nav. no.3:17-22 162. (MIRA 18:3) SOBOLEVSKIYP V.M. Some cases of integration of an ordinary differential equation describing the stressed state of an anisotropic inhomogensous nonuniformly heated hollow sphere. Vestai AN BSSR. Ser. Fiz.-tekh. nav. no.2:20-29 163. , (MIRA 17:1) AID P - 4o42 Subject USSR/Power Card 1/1 Pub. 26 - 31/31 Author Sobolevskiy, V. V., Eng. Title Ioffe, Ye. F. Operati#naya rabota na podstantsiyakh vysokogo napryazheniya (Operation of high-voltage sub- stations) Gosenergoizdat, 1954. (Book review) Periodical Elek. sta., 11, 62-64, N 1955 Abstract The author reviews this book on duties and functions of substation personnel and criticizes strongly errors and incorrect statements made. The reviewer also makes some suggestions on possible improvements in the book and recommends its revision and re-editing. Institution : None Submitted : No date 14(5) SOV/92-58-8-15/36 AUTHOR: Sobolevskiy, V.V., Senior Engineer TITLE.- Cerieq~lng of Boreholes in Siberia (Tsementirovka skvazhin v usioviyaldi~ Sibiri) PERIODICAL: Neftyanik, 1958, Nr-8., p 19 (USSR) ABSTRACT: The author states that under Siberian winter conditions it is not practical to use tbnventional borehole cementing equipment mount-ed on a heavy duty truck. There is always the risk that the truck may be blocked by heavy snow, and that the trans- miticing lines of the equipment, may freeze. Therefore engineers often perfer to carry out the cementing operation by using the pumps .of a rig. However, the use of these pumps creates additional difficulties and complicatedithe operation. In the opinion of the author it would be desirable to build a cementing unit mounted on two sleds, one sled for carrying engines anq pumps which are covered,, and the other for carrying the 15-20 m~water tank. The Card 1/2 C-,~irnenting on Boreholes in Siberia SOV/92-58-8-15/36 mixer and the receptacle may remain outside during the operation, while tbhe sleds have to be placed close together. The suggested unit must be able to generate a pressure of 150 atm- ASSOCIATION: Tobol'skaya nefterazvedka (The Tobollsk ProspectIng Off 13 9 ) Card 2/2 -_ S08OLEVSKIY, V.V. Industrial production of well rigs, Neftianik 7 no.4:7 Ap 162. (MRA .15:11) 1. Nachallnik proizvodstvenno-tekhnicheskogo otdeleniya Tyumenskogo geologicheskogo upravleniya. (Tyumen' Province-Oil well drilling rigs) SOBOIZVSKIY, V.V. Results of investigating gas liberation in mining sections with heavy loads at the face, Izv. DGI 42:189-10/6 t64. KERA 18:11) BLASYAKO Ye.; IAYDLER, K.; PAVLIKOVSKIY~ S.; sOBOISVSKIY, Ya..- SOBOIEV- SKIY) L.j POLYAKOVy N,N. (truniqlatorh AVT81~- ~f:le.,'red.j I I BENIKOVSKIY) S.V.) red.; KOGAN, V.V., tekhn. red. [Technology of fixed nitrogen; synthetic a=onial Tekhnologiia sviazannogo azota; sinteticheskii azmiak. By E.Blasiak i dr. Moskva, Gos. nauchno-tekhn. izd-vo khim. lit-ry,, 1961. 263 p. (MMA 14: 10) (Ammonia) (Nitrogen compounds) S~~ evgeniy Alekaeye-NjDb,~__~STINOV, Aleksandr Dmitriyevich Ldeceased]; SnVALLOV, A.F., otv. red.; NOVIKOVA, Ye.S., red.; YARKOCR, X.G., te-khn. red. [Signal distortion in radiotelegraphy] Iskazlieniia signalov na radiotp-leg--rafnykh svia2iakh. Moskva, Gos. izd-vo lit-ry po vop- rosr-r. sviazi i radio 1962. 129 p. (MIRA 15:2) Nadiotelegraph) IVANOV2 G.Y., in-zh.; SOBOLEV.SKIY, Ye.A., inzh.; ALTUNIN, V.I., inzh. Determination of the frequency bandvi-dth of the rise and fall of a signal with respect to tiine. Vast. sv-iaz-, 24 no.12.16-8 D '64 (MIRA 18:2) f7, PaASE I BOOK ZeLolTA-11ION 635 Makarochkin., Mikhail Fedorovich, Doctor of Technical Sciences and Sobolevskiyp Yu.A., Candidate of Technical Sciences Fundamenty pod mashiny (Foundations for Machinery) Minsk, Goo. izd-vo ESSR, 1958. 113 P. 3,000 copies printed. Ed.: Chernyak, I.; Tech. Ed.: Karpinovich, Ya. PURPOSE: This textbook is intended for students specializing in construction engineering, and for engineers, and builders. COVERAGE: The textbook presents essential information on problems in the design and construction of foundations for impact machinery, machines employing crankshaft mechanism, and turbines, A brief outline of the theory of vIbra, tion in foundations on a solid base is included and a classification of 96119 (including their properties) necessary for calculation of loads and stresses is presented. There are 30 Soviet references. A ---11 5--- ~ SOBOLEVSKIY, Yu.A., kand. teldin. nauk, dots. F~ffect of h7drody-namic pressure on phvaical conditions of slopes of irrigation canals. Sbor. nauch. rab. Bel. politekh. inst. no.77-.3-22 '59. (MIRA 13:3) (Irrigation canals and flumes) :e are tc-,,mrd r. 1 (Szklo I Cemrilcc- Vol. 0', no. 3, Far. 19,57. Wlrs--,lw-q, Foland) 1-'cnthly Inv-lex cf East European Accessions (Ehil,) I,C- "Tol. 7, no. 2, Fobrua:- y Y SCIBCILEWSKAj M. SCIENCE Periodicals: KOSMOS. SERIA A: BIOLOGIA Vol. 7, no. ik., 1958. SOBOLEWSKA, M. Oxygen as an indicator oftm2perature changes in the Quaternary period. p. 559. Monthly List of East European Accessions (EEAI) LC Vol. 8, No. 4, April 1959, Unclass. SOMIXISKA, - ~: ~ '' Epidemics of di -phtheria during the past year. Pediat. :vlaka 26 no. 9:1043-1044 Sept. 1951. (C-U4J, 21:3) RZUGID140, L.;RUMI, E.L~~~~TROWsKj, j. Antigenic Wassermann component in phosphatides of Wcobacterium tuberculosis and saprophytic bacilli. Med. dosw. mikr6b. 5 n0-109-49 1953. (CLKL 24:5) 1. Of the Dermatological Clinic of Warsaw Medical Academy and of the Inetitute of Dermatology and Venereology in Warsaw. RZUCIDW, L.;RUDZKI, B.;CYARNUSZEWSKI, Z.*,!HOBOIEWSKA, M. =MEW Behavior of nhosphatidee in Mycobacterium tuberculosis in reaction with sera of tuberculous patients. Mod. donw. mikrob. 5 no.2:223-230 1953. (CIML 25:1) 1. Of the Institute of Dermatology and Venereology in Warsaw and of the First Dermatological Clinic of Warsaw Medical Academy. ZWIFM, J.;DURIAKOWA, I.;LOBOIZINSKA, M.;SOBOIMKiL, M. Comparative fftudies on serological methods used most freqtLently in diagnosis of leptospirosis. Mad. dosw. mikrob. 5 no.2:231-236 J953. (GIML 25:1 1. Of Wroclaw Branch of the State Institute of Hygiene; Leptospirosis center. S0B01.EW8!r'A, Maria SOBOLEWSKA, Maria; DYNXR, Eugenia Preventive application of chloromycetin duxing the epidemic of whooping cough in a nursery. Pediat. polska 29 no.5:537-.541 May 54. 1. Wykonano pod kierunkiem prof. dr mod. J.Bogdanovicza Kierownika Kliniki Chorob Zakaznyeh Wisku. Dzieciscego A.M. w Waresavis. (WHOOPING COUGH, prevention and control, chloramphentool) (CHLO~INICOL, prev. of whooping cough) SOBOUNSKA, Karia A case of peptic ulcer in 8-year old boy. Pediat-Polsks 30 no.2:157-158 Feb '55. 1. Z Misjokiego Szpitala dla Dzieci Xr. 1 v Warssawie. Dy- rektor: prof. dr mad. R.Stankiewicz. Warssava, Glogera. 6 m. 10 (PEPTIC ULCER, in infant and child diag. & ther.) GLOWACKA, W.; SOBOLEWSKA, S. - Webster-Habel's method of standardization of anti-rabies vaccine. Hed.do9w.!Rkrob. 2 no.2:304-305 1950. (GIML 20:6) 1. Summary of the report given at 10th Congress of the Polish Mi- crobiological and Epidemiological Society held in Gdansk, Sent. 1949. (Warsaw.) RZUCIDLO, L.; RUDZKI, E.; STACHOW, A.; RACKINdICZ, I.; SOBOLEWSKA, S. Research on the increase In pathogenicity for mice of Salmonella typhi and Staphylococcus aurous under the influence of yeaatlike fungi or voast zymosan. Mad. doaw. mikrob. 9 no.2:125-130 1957. 1. Z Instytutu Dernatologii I Wenorologii w Warszawis I Warazawskiej Wytworni Surowic i Szczopionak. (SALMONELLA INFECTIONS, expor. off. of yeastlike fu I & zymosan on pathogenicity of S. typhi ia nice (poll) (MICROCOCCAL INFECTIONS, expor. off. of yeastlike fungi & zymosan on pathogenicity of M. pyogenes aureus in mica (Pol)) (YEASTS zymosan. off. on pathogenicity of Micrococcus pyagenes aureus & Salmonella typhi in mice (Pol)) (POLYSACCHARIDES, off. zymosan an -pathogenicity of Micrococcus pyogenes aur*us Salmonella ty-pbi in mice (PoM (FUNGUS DISEASES, exper. Pff. an pathogenicity of Micrococcus pyogenes aurous & Salmonella ty-phi in mice (Poi)) -RZUGIDI#O, L.; ZMACKIEWICZ, I.; SOBOLDISKA, S.; MAIMOWSKA, H.; STACHOW, A. NMMMMMP~ - Quantitative determination of mouse pathogenicity of Salmonella using zymosan as an immunity-docreasing factor. Mod, dow. mikrob. 9 no-2:131-139 1957o 1. Z Warssawskiej Wytworni Surowic I Szczapion*k I Instytutu D*rmatologii I Wenerelogii w Warazawis. (SALMDNELLA I "I" CTIONS, imrfiuuol. quantitative determ. of mouse pathogenicity of Sal. typhi usimg zymosan as immunity-docr*asing factor (POW (YFASTS zymosan, use as Immunity-decreasing factor in quantitative detorm. of pathogenicity of Salmonella ty-phi in mice (Fol)) (POLYSACCHARIDES same) SOBOUWSKI, E. Some remarks concerning the production znd quality of welding equiTment. p. 238. (FRZE;ai~D Vol. 8, no. 9, Sept. 1956, Warsza;-.,a, Poland) SO: Monthly List of East European Accessions (EFAL) LV. Vol. 6, No. 12, Dec. 1957. Uncl. m0 so MechanCW - --.tn:7=~Un 2.1 np. 2 tba. NumWr of revolutkons. Superhe-- t,o ellmin-l" C" ,,,.r- InIlt Stearn PC"-Usrued.e vz1veS. Tendency -cAr erillineS. nsumptton of Slearn.,ne,. marine engines. Motor ling. CO rWjLtion. Med eng linder lub -it. 11. The problem of dynamics of railroad tr~.nsportation. P. 31. Vol. 8, no. 3, Mar. 1956. i-R-'7'--,GL,-*D KOLEJaWY. Warszawa, Poland. SOURCE: Ea.-t Suropean Accessions List (FEAL) LC VOL. 5, No. 6 June 10,56