SCIENTIFIC ABSTRACT YUSHKEVICH, A. A. - YUSHKEVICH, G. F.

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• Document Creation Date: November 2, 2016
• Document Release Date: September 19, 2001
• Sequence Number: 6
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

DYNKIN# Ya 'iy Borinovich; YUSHOVICH
-Vmn red.; BRUDHO, -K.P.,
teldin.red,
(Foundations of the theory of Harkov processes] 09novaniia
toorii markovs!:1kh protsessov. Mosk7a, Gos.izd-vo fiziko.-matem.
lit-ry, 1959. 227 p. (KIRA 12:11)
(Probabilities)

32515
/61/000/011/036/040,
3/044
C111/C444
AUTHOR- Yushkevich, A. A.
-7~ -
TITLE; On the differentiability of the transition probabilitJes
of a homogeneous Markov process with denumerable number
of states
PURIODICALs Wjf'tjv4tJjnyy Attriml, Matornntiku, no. 11, 190',., 6,
abstract 11V24. (UP11. Zap. MOU, 1959, vyp. 186, ]0-159)
TEXT: It is proved that homogeneous Markov processes with
countable number of states are strictly of the Markov kind. This
property is used in order to prove that the transition probabilites
pik(t) fort > 0 possess finite derivatives, if one of the limits
'-Pkk(t).
t1-4 0 t t 0 t
is finite. If both of the limits are finite, then pik(t) is absolutely
continuous. An example is constructed, where Pik (t) possesses an infini-
te second derivative.
b,bbtracter'~4 notes Oomplete translatlkon.]
Card 1,/1

I~OVICH, Boris Pavlovich; KARON, Izaak Abraaovich-, SKOLITSKIY, Kh.L.,
prof., retsenzent; FROLOT, S.Y.. dotsent. retsenzent; SHOSTAX, R~Ys.,
retsanzent;~~ -0ettsenzent; 3IRYUX,.G.I,, red.;
AKHIAKOT. S.M.. tekhn.roA.
(PrInhiplaa of computar mathawtioe). 00novy vy0hislitallnot mate
witikl. Pad obahahai red. B.P.I%midovialw, Roakva. GoaJad-vo
fiziko-matem.lit-rye 1960o 659 p. INIn 14M
-0fathamatice)

I
-TUSIIUVICH,, A,A. (ROGOIDW)
Definition of a strong Markov process. Toor. veroiat. i as i>rlu.
5 no.2.-237-243 16o. O(MA 13 -9)
. I (Probabilities)

DYNKIN, Yevgeniy Borisovi0h;-AUSHKEVICH, A.A.9 red.1 BRUDNI# K.F.#
tekhn. red.
[Markov processes] Ifarkovskie protsessy. Koskval Flz-
matgiz, 1963. 859 P. (MIRA 160)
(Markov processes)

--KRYLOITi, N.V.; -YUSHKEVIGE, - A.A. - (Moscowl, - -- -----
Parkov random aets, Teor. veroiat. i ee prim. 9 no.4,739,
70, 164. (MIRA 17:12)

yd'vyDiV. I-i".1 A.A.
...... --v~ '-,Iarko-v sets. Trujy Mook. vit. ot~-va 13-1114-135 165.
1 (IaFA l8s9)

-rig 1~ thl- t I c'3 ut,~~ 4-4
.:P In
C.
zap,
NZ 'Rill ~L

Idei obosnoraniya matem-aticheskogo amali7a v XVIII veke. V kh. Lazar Karno (Fazmysbileniva
o metafizike ischisleniya beskonechno malylkh). M. L., G--,Tl (1935)r 1,-1-76.
SO: Mathematics in the USSR, 1917-1947
od~tcd by Kurosh, A,G.,
vm,kuv,hovloh,f A. I.
Rashevskiy, P.K.
Yloscow-Leningrad, 1948

YUSPKEVICH, A. P.
Matomatikn i yeye prepodavoniyo v rossil v WIT YTX vv. Zh. Vatem. v sb3coie, 1-6 (1947).
SO: Mathematics in the Ugn, 1917-1947
edited by Kurosh, A.G.,
Markushevich, A.I.,
Rashevskiy, P.K.
Moscow-LenlnUad, 1948

ILI

e ~j !I J-~

lunkovich) A.P, IIIIllatfiofuttlc~ in J;~-- !1C."LlEf J".,:"Vjr,.r;t-Al ic'urv
of its exia~.-encell, Ist.-matem. isslaclovaniya, I~sue Is Moscow, 19"d, P. 43-140
SO: U-3o42.9 11 Mlarch ;'03, (fietopis laykii Statey, No. 9, 1949)

Khalifia:xI I.-td his A~ad.
N2,j:g
2. -IT)-
~-tcl

37165. 1. G. ".,Ugebru Ili Vychislenie Kobechry',ch-I
IS31edovaniya. VYP, 2 M-L, 1949
No I. LobachevskDgo. V- sb:
s. 72-128
SO: Letopis' Zburzialiny',ch Statey, Vol. 7, 1949.

YUSOKINICH, A. P.
Y-usekevich, A. P. and Its teachint is Russian fr r,. the XV-,It'
throlUr--h the XrKth centDries, Russian mat~cn-atics at the o~' =t- P-rd the
beginning of the X"th centuries", Materatika v shkole, 19491 16. 3, P. 1-14,
(C,nclusian; beginning: No. 1, 1947).
SO: U-4392, 19 Augusiv 53, (Let~)pjs tZhurnal Inykb Statey, No. 21, 1949).

fix th*
XV11M til-ury. Akad- Naiu-SL ryillst.

A.! P.
7 on maths matics in technical colleges"#
&. pe _ e(;Grtain problem of lecturing
Yushkevich, No. 4t p. 10-7.2-
ventnik Tyvah. sbkolys 1949P
Sat u.411, 17 JW4 1 531 (Latopia tZhurnal Infth StAtOYO No. 200 19109).

L) V (rnarlkov); PIRMIKOY, V'ye' (Moscow); ROSSINSIly. S-D-
~~~A:j CLQ I Lys. (Lenjilgrad); SILOSTAKs R.Ta. (Hoscow); gov, V.V.
(MOSCOU IZPq" ASSM, I.G. (Leuingra4); GUS
FIMMGOL-ITS. G.14 , (Iningrad); SP A.P., re&tktor-
KIN, G.F., redaktor;.YUSEXITICH,
(Viadivostok); RIB
I.Iical studies in mathematics. Vol. 5] Istoriko-matematicheakie
~[Histo iza-vo tekbn*.o-teoretichesk0i lit-ryf 19 2-
issledovanila, 14oskvao Gose (gM 6:5)
472. P*:-VoI. 5.
1. 1408:ow. Universitet. Seminar PO istorii matOmatikl-
(Mathematics) (WPOvskii- Timofei Fedorovich, 1765-1832)
(Peterson. Karl Mikhailovich. 1828-1881) .(Latnikov, Alakeet
vasillevicho 1837-1888)

OSCARBS, Rsue'. 15916_1650 [author ]; sWUSAM. G-G., perevadchik i ko=entator;
yUSHEMCH,-A.P., perevadchik.i ko=.entator-..-.
(3)jl3ccurse on Method with Me Dloptrics, Meteors and Geometry] ftasnzholeuie
0 matode o priloshaniiani dioptrikas meteOrYo geonstrita. Red.v perevool,
il G.G.Sliusareva i A-P- M611kevicha' ELsuingrad] lzd-vo
statil i kamentar I (HLHA 6:7)
AkaAaail nw* WM- IL953. 656 p. (rv,. jellce-IlethodoI097)

RYBKIH, G.P., redaktor; V~CH. A.P., redaktor; BITMSLrOT, Y.r.,
redaktor; skLy redaktor
[StuMen on the history of-mathematice].Iotorlko-mtezatlcheskie
issl6dovaniia. Mook-va. Goo, Ltd-vo takhnike-tooret, lit-i7,
Vol. 6. 1953- 671 Pe MU 7:10)
Nathematics--History)

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UWR/Mathematics Societies Jan/Feb 53
coir MaViexaticzl Socle
tor. ivo TUeekly Sessions (23 Sep 21 Oct 52) of -the Mos ty'!I
Usp Mat Rauk, Vol 8. No 1(53), pp 173-176
P. S. Aleksandrov, pres of the Soviety,, 'Urged mwibors to assist -in ,problems announced
.at the 19th Party Congress. The following reports were madez K. A. Sitnikov
"Possibility of Capture in the Three-body Problem." S. L. Sobolev, "A Difference
Equation." A. N. Kolmogorov, "Spectra of Dynamic Systems on a Torus." A. V. BitSiLdzej,
"Thellixed-type Equation u +sgny u,, 0 of M. A. Lavrentlyev.11 L. N..Sretenskiy,
"The Motion of the Goxyachyei-chapiygi~ Gyroscope.111. 11. Vekva.$ "Systems of Elliptic
Equations." V. V. Ner;ytskiy, "Structure of the Spectrum of Nonlinear Operator
Equations." A. P. Yushkeirich, I'Mathemtics of Central Asian Peoples in the 9-15tb
Centuries." L. S.-S--ra-Ve-n-s-Rly vice pres of the Society suggested felicitations for
mieriber S. S. Byushgenson his 70th birthday.
P,'. 250T75

YUSHKBVICH A-P-
V treatlao on- arithaletle.
Kaha=ad On gus& &I-Xhuwarazo G .7 #54. (HUM 8:9)
Trudy Inst. Jot. e3t. I takh. no-1:85-12
(Arithmetic__Higtory) (Algorien)

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Gi.fasid6l
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BASHKAKOVA,I G. (HOBCOW); YUSHOVICHOA.P- (KOSCOW)
eel -no ,40-512 154. (mm s:6)
------Leonard- Ztd9r.----Xot---=tJ
(lui-or L4oMrd, 1707-1783)-

allikhall Vasillevich Ostrogra Reviewed by
P.IUshkavich. Usp mtinauk 9 no.1:3.55-158 Ja-,Ir '54.
(KLRA 2)
(Ostrogradakill Mikhail Vacillovictif 1801-1861)
(Gaodanko, Boris Vladimirovich, 1912-

HKCVIC-0,
RWACHMO, VI-
OResearch in the bletory of mathe"tics.0 G.F.Rybkln, A.P.lUshkovich.
Reviewed byr V.Y.Rogachanko. Usp.mat.U&Ulc 9 no-3:26's?-273 154.(KM 7:10)
(Kathematics) (4bkin, G.F.) (lUshkovicho A*PJ

KWIMSOV I.V., redaktor; GOWBIWTA, V.A., redaktor; GMGORITAM.
A.T., redaktor; ZUWV. , T.P., reda"or; SOTIlf B.S.. redaktor;
,-VIGMVMYII R.A:. rodaktcr; STMXHMIH, -S.V. j--~ red.aktor;
TUSEXMCH, P., redaktor; DOBRORMOVA.A.0., redaktor;
takhnicheekly redaktor.
(gat-ory of the science and tschnology of China; 0-collection
of artialf'so] li Istorlt muki i takhniki Kitals; etorulk;
statol, Hookya, ltd-vo Ake4emll wutk'GBSR. 1955 181 P;10)
1. Akademlya nauk SSSR. Institut istorii yestestwisnanlya I
tekhnlki.
(Chlua-Sclenca-History) (China-Tachnology-Mistory)

7 ejLs of Miese schdun
'P, O'n llt!";Jam
tb? i tchnik!
~Df Kt. a
Mtaya "From, tls-,. 'i enjirbr~~%
iin lzLim. rT
N(,-o~ow, YY2, V t-l. I.-If ~ C-.~
I I br -
Olf~, tail va lm~ ~'A Pot try, (he 4u, 11--l-it t+. TAPI.,
.1
Mat. hfilpl 8 1,1955)- Ml~ 17, 1,

I -.Ii- ~ .- - -J~
SWAM
ARRONOVO IA#. prof,j MO=XY. NoTh., prof*, IMPW* 19T49, prof.;
KOLOMITO T.N.. dots.; IUSMWICH# A#11,9 prof,j SKIRKOTAj Mail
takhn. red.
[-Programs of pedagogical Institutes; history of elementary matbij-,
matics for mathematical sections of physics and tathematics facil-
ties] Programmy pedagoglohaskikh Inatitutev; iatorlla slamentaraol
matematiki dlia. matematichaskikh otdalonly ficibi-matematichaskikh
fakulltetov. Moskva, Gba. uchebuo-pedagog. izd-vo K-va, proav. DOW,
1~56. 72 p. (Mm 11:9)
1. Rissia, (1917- Glavuoya upravlanlye vyashikh t
arednlkh podogogicheekikh uchabnykh zavedonly.
.(Xathematicu~Study and teaching)

V
Ale-UMI, Dvhim~?Id Glyaseddin Al-xishi. jamallidL Ban Kati 46d]; ROZA= ID,
B.A. [translator); SZOALI. V.S., radaktor,-.MN
redaktor; HAZUKOVSX&YA A.P.,'rodaktor- XURMHOTA, T&O,- to m-L-
ChaskLy radaktar
ra y- to arithmetio-Tr-ia-tise on the oIircumforenco. With a supplement
containing the'Arabi% manuscripts of both treatioes i Vranslated Irom
the Arabic] Much arifmatiki. Traktat ob atrazImbati. Forev-ad s
qrabakogo B.A.Rozenfallds. R6d. V.34egalta i A.11?.IUa Ihkavieha.
Kodmentarii A-wP.Mahkovitha i B.A.Rozonfalida. S prilozhanten
roproduktaii arabsk Iikh rukcpIsei oboilem traktatwr. Moskva, Goo.
izdo-vo takhniko-toIorato lit-rye 1956. 566 p* (HWA 10:0

YUBMWICH, A*P*
g.m! ~rjck, Worbs.
A now-book on Gauss (OXarl Friedrich Gaus
Reviewed by A.P. Wshkovicb). Vop. Istesste I tekh. no.I:
299-301 156. (KLRA 96.10)
(Gauss, Karl Friedrich, 1777-1855) (WorbS. 11-ich)

Ica A?
,,,a Geman nall" re
156, 1.646)
no.?1290-29i -Arith%Gti&

yUSEMIcK, A.P. hagatics. usp.matonavk
(KIRA 10:10)
Asada Jr life and hi works ilL gat
0.4:3-28 Jl-Ag '57, jeonhard,
12 n (Ikler
Vw~

.2rucv lust-'ato
Sewtonts works 10:7)
t student Of 1.
teka. 17:66-89 '57- ii Ivano7joh, 1891-1951)
eat4 (V"Viloi. Serf-'
(Newton, 64?-17?7
Isaac

Now
f
A-X9 Ukt or
"ow"~ tauhachas.kikh 0AUk'
(80141in
Of noo
The
rlin 1707
LeOnh&a

se in the Tj and aerman
ler's jubil jl-Ag 157.
0 ".4,221-2?5 VMA 10:10)
Celebration of Id - Usp.2 .nauk 12 n
c
'Deno ,atic Republic (Vuler, Leonhard, '1707-'1783)

YUSHMICH& A..P*-
"Johann Bolyai; life and works of a great'matemat-101stnw- [in Germin]
bV Imm Toth. Reviewed by A.-P. Mabkovich, Vbp*. lot. eat, i takh.,
no.39230-231 157. (WHA IUI)
(Bolyal, Joluinn, im-i%oy
(Toth, Imq)

isal. no. 1,0:
Ciro
A.P- (N]U U-.1)
mad t-ne quadratura of t"8
d War
157.
(war loonharl,
j-, vyw ~,,g;,~u REM
MIR-
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gig
90. 0,03-44~1'
HIN WO
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V, 4'i
yusjucivicat A.P,
1746-1760;
3 of tbe Berlin Aced6=7 Of Sciences
3tivity in Berne (in
Tr t LGOWwd gulerla a' t6ldt. no 5:204
Vop.istosts I
,uments aboul swed. JUahkovich
doe ( In 11:2i
vinter. Ravi
1570. Leonbardt 1707-1783)
muter.

the mathematical
the Mmber theorl Trudy tekla.
ber
7the MM
Oae problem (Fuu -10:7)
Mauuscripts (If the '7th cent"7
171:~00-311 TheorY Of)

Azd-va;
Lewihard); LAT3232"'Y'ssm, T..V.'
'OR" Leonard 'GOR'TAII, A.T., red-; a3
red.; GRI ekhn.redo
_A
OVA, T.P-, t to tbg AcadGmY
I., presented
a Collection of arti, )f the 250th auniversarY 01
LLOonbard FAUIG: I in honor i -he at t 250-letlia 110
Of %jejences Of the aboralk statel v c' al 1W. 606 p.
LOonard g1jer a ii nauk 12 -.4)
d. birth] a, prodetavlonnykh 'kad a (141RA
dnia ro%hd4nii komitats Aktidglaii
1. predsedat6l' F-716170vakogo Yubile no
SSSR (for lev'rentlyW). onhard, 1707-1763)
(zvie r,

16(l) PHASE I BOOK EXPWITATION sovllY;6
;Estoriko:,-matematicheskiye Issledovaniya, *yp. 11 (Research in
'..'Athematical Historya Nr 11) Moscow, Fizmatgiz, 1958. 7192 p.
~).,000 copies printed,
Eds (Title.page): Fqbkin,, G.F. and Yushkevich.A,Pe; Ed. (Inside
book): Konoplyankin, A.A.,;,Tech. Ed,: Murashova, N. YELO
PURPOSE* This book is Intended for mathematicians and others
interested In the history of mathematiosp and may serve as the
basis for a suitable iLniverBity text on the history of mathematics,
thereby filling the most serdous gap in Soviet mathematical
literature,
COVERAGE: This book contains reports made by members of the section
on the history of mathematics at the Third All-Union Mathematical
Congress which d1WUsWd problems of the history of math(mtica and
various articles on the significance of the history of mathematics
Card 1/8

Research in Mathematical History (Conto) SOV11366
for mathematics itself and for the other sciences, There are
also four articles on the history of mathematics 1n Czechoslovakia
and Rumania., an article on the Investigation of the algebraic
roots of differential calculus in connection with a study of the
mathematical writings of K, Marx, and an article on the work done
on negative numbers by the Arabian rqathematician,, Abu-1-Wafa, A
series of articles on various texts and documents connected with
the history of mathematicsp including a translation of the
treatise De Configuratione Qualitatm by U. Oresirte and two articles
concerning It, concludes the book,
Card 2/18

Research In Mathematical History (Cont.) sov/1366
TABLE OF CONTEUS
From the Editors 7
PAPERS SUBMITTED BY THE SECTION ON THE HISTORY
OF MATHEMATICS OF THE THIRD ALL-UNION MATHEMATICAL LIONGRESS
Yushkevich A P. (Moscow), On New Work In the USSR on the
~~~s '6~Wdlt~t hemati c a 11
BoV.-Myev). On Certain Problems of the History of
Mathematics 47
Yanovskaya, S&A, (Mosom)e From the History of AxIomaties 63
Norden.. A.P.-(Kazanl), -Problems on the Foundations of
Geometry In the Wrorks of N,I* Lobachevskiy 97
Oard,3/8

Research In Mathematical History ~Cont.) SOV11366
Kiro.. S.N,-(Odessa). Mathematics at the Congresses of
Russian Naturalists and Physicians 133
-Koliman, E. (Moscow). on Cert~aln unsolved Problems In, the
Kistory:of-Ancient Mathematics 159
Raik, A. Ye..(Saranzak), New Reoonstructions of-Certain
Problems from-Aneient Eg"tim.-i and Babylonian Texts 171
LECTURES ON THE HISTORY OF MATHEMATICS
Program on the History of Mathematics at the Moscow
State University 185
''Yonov"kaya 3 A (Moscow). Introductory Lecture to the
1i Atory of Mathematlos" 193
Card 4/8

Research in Mathematical History (Cont.) sov/1366
Rybnikov, K.A. (Moscow), On the Subjeot Matter
of the History of Mathematics 209
Bashmakova, I.G. (Moscow).- Lectures-on- -the History
of Mathematics in Ancient Greece
MISCELLANEOUS ARTICLES
Gnedenko, B.V. and I.B. Pogrebyaskiy (Kiyev). On the
Histor,-- of Mathematics and Its Significance for
Nathemutics and Other Sciences 441
Vetter, Q. (Prague). A Short Essay On the Development
I of Mathematics in Czech-dominated Areas Up to the
Battle of Biela Gora 461
Rychlik, K. (Prague). The Theory of Real Numbers Found
In the Manuscripts Left by Bolzano 515
Card 5/8

Research in 14.athemathieal History (Conte) SOV/1366
to the History of
Contributions 533
pQpa,--I. ---(J-asi)- 1----RiAania-- -- -
Mathematics in
N. (Kishinev). on the History Of the
Glivich, A mathematical Society (Relations Between 563
Rumanian t Mathematicians)
Rumanian and SoVie
Rybnikovs K.A. (MOSCOW). on the Algebral. ,a Roots 0'. 583
DiffeIrential Calculus he Application
14. 1. (Tula) . -on one Case of t 593
MedovoYj Abu-i-Wafa
of Negative Numbers by
Card 6/ 8.

(Cont.) SOV/1366
Research in Mathematical Hi5tOPY S
TEXTS AND DOOM40T
Zuboye, V. Pe (MOSCOW).The Treatise of Nicole oresme
"De COAriguratiOne qualitatUd' lities
ore.sme, N- Treatise on Ithe ConfipratiIns Of qua
Zuboyej V- Po Comment on the Treatise bY 14 oresme
Proofs of Euclid's Fifth
Rozenfelld B- A-, 0(olomna)e jans Jbn al-Haitam
Medieval mathe-matic
postulate by the
and Levi ben Gerson roduOtions
.k-Of Commentaries on the Int
ibn al-Haitam. A:BO t (fragment)
to Euclids "Blemen
Card 7/8
601
636
720
733
I'L
7.3

Research in Mathematical History (Cont,, sov11366
Levi ben derson. Commentaries on the Introduotions
to Sualidta "Elomenta" (fmgmorlt) 763
Rozenfelld, B, A, (Kolonma). Comments on the Proofs
by Ibn al-Haitam and Levi ben Gerson 777
Name Index 783
AVAILA = Library of Congress
Card 8/8 wmtl
5-4-59

XtNAMIN, Boris Vanillyevich. prof.: RYDRIKOV. Konstantin Alaksayevich.
prof.; BASWOOVA, IvAballa Grillorlys"a; YVSMVICH, Adollf
Voviovidht YANOYMAYA, ,XTTO ,fi4'
finnovioh# dotsant;l RIWAIVA, Olab Kotiot-nittinfivloh, Artrohty
naucbnyy sotrudnik; KATYROT, Mao. prof.$ otvored,- 0010MY141,
D.I.# prof., red.; IVAIMMO, D.D., prof., red.; MMYAVTSSV*
P.S., prof., red.; KMKOV2aY, P.G., dotsent, red.; KHRGIAU,
A*Khop prof** redo; SaMSOV, U.S.., prof., red.; VERMRMV,
V.M., assistant, red.; KONONKOV, A.P., red.; YIMMAKOV, H.S.,
takhn.red.
.[Programs of courses on the history of the physicomathematical
sciences] Programpy po istorli fisiko-matematicheakikh, nauk.
Hosk7a. 1959. 40 P. (HIRA 12:12)
1. Moscow. Universitet. 2. Orgkomitat Vaesoyuzacy aazhvuzovskoy
konforentaii po istoril fWko-wstavzdtichd*Akh nauk (for Kukarkin.
Rybnikov, Spasskiy. Gordayev,4vananko, ludryavtoey, Kullkovskiy#
Kikhaylov, Khrgian, Shavtoov, verkinuiov. rLonoakov).
(Physics-Study and teaching)
(Rathamatica-Study and teaching)

16(Q) FUSS I DXX 11MCITATION SOV/317T
MmtQMAt1hM T 333R ZA *or" let. 1917-195T.tom Is Obt Y" &tat It
0
pn
(Prathean t I ca in "c UU1 rcr rarty Yonra # ,,,-,9,
,
). V., I g
Review Articles) *3*cow, PtMatSizz, 1959. 1002 p. 5.500 copies
prInted.
148t A. 0. ffAwooh. (M"*f 14.). V. 1. bityUtSkOv, V. 0. bcuxanauiy~
ki
Y
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S
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e. P.
yn
e.
n.
Ulova, and A. P Yuchkovich; Zd. (Inside
boot's A. P. LAP*04 Tocz, ad.; a. ?1. ikhlamov,
rn x This book to ImtArldwd for mathematicians and historians
. of mathematics intarasted In Soviet contributions to the field. rq
COTMUZz Thia book to T-alvAe I of a major 2-volume work an the
h1styry of Soviet matUamstIcs. Volume I surveys tba chief can-
tributlona made by ZovUt mathiraticlons during the period 1947-
1957, Volume It wIlL e=laln a bibliography or major moms since
1917 atud biographic **stctoa or aoso or the leading matbama-
t2cians. This aarg follows the tradition Set by two earlier
marks: Matasatlaft I lot Nthenatics I.
Pyatnadtlat
S yeaz=
._4SqA_xa tridtoW. lot
i (PAthematica in the UZZA far 30 Yearn). The book Is divided
Into the major d1vislanx of the fleld, i.e., algebra. topoIRM
theory or probabilities, StC.. And can-
tributions and outats=41m& problems in each discussed. A list-
Ing of scom 14oo Soviet mathematicians Is Included with, reror-
ance& to their can'trUstlAam In the field,
-A_A_ AstrwrouttIcAl Studies Connected With the

1. Tbtora Ical StU41619 prosmMing
t
2. WonarithostIcAl w2t at camPuttrx
3. Theoretical studles Mr control systamn 8&-4
4. Certain other pr%1ZleX4 Of mathematical cybernetics 874
rr-grassang 879
AsknTalov, 3. V. XMQ~WSDAY 887
Chetv D94criptive Qoometry 893
_'TXV0z*a Of &1000119trY and Its gonerall-
a93
sation
895
MAltiaLmenslonal 4c4cr1qtlv* 6*000trT
farametrIc zalh,4 or Studying UMAQG, ftsitional
8916
and metric
697
4. other

A
IgAr L_ 30-tion, a. r., and Pinikov, S. P,
t -
O
I
nt
,
...try
gg
rrablirms C.' C142SIVILI differential geometry AW
their WM*M1U&tIQU~ 899
&Q4 Spaces or afrine connection 90T
2. Alemann space
911
:
or act
3 Tho
4: Indu 09WWC1.1004 913
m
91
2. Complex oytc*s
9
6. Thoory at secomtric objects 91
*in the ZAVSQ' 92~
1. "Onmetry 0. a Cables surface , 920
2 SInGle valued ectorainstlOn Of convam *tLrf&c*s 930
gsgulaplt7 or comma SIA-facem with regular metric 932
0sneral tbaor7. *r sarfaceG. rol7hedra 933
5. gaim%vaeg. uAl4wensom. " rqgularity, of surfaces
under lTwD curalltloas of Gaussian curvat urn.
Cortain t~-Jndarr Value Problems 942
AlngularItT Or AWI-Aces given A function of the
944
principle curTstarOM
ArIth"Ut lavarlsfits. Theorems on local deformations -446
IntinItosaLmal ber4ings 948
Certain results On SymthotlC 90020trY 951
Ristory of 1%thematied 953

2. nothematits or the ancient last 955
3. Fathematles or anclant Oresco 957
4. PAt1kqmmJz.*ca la tb* Middle Ades 9160
Work
Of WAQrM MWLthftV4LtICIAn3 965
Work on the hiatorr of various disciplines and
:
problems; -arms at a straral'naturo
Amth6rla Index

OSTROGRADSKIT, Kikhail Tagillyevich (deceased]; SEMM, I.E., akedealk, otv.
red*,; BOGOLYYJBOY, 9.14,akademik, otv. red. tons; ~ GIMM0. B.T., akidem;tk,
red.; ISFLLINSK,IY, A.Th., akademik,, red.; Rim, Ye.Taop :redo; SAY=# G.M.P
akademik, red. SOKOLOV, Yxi D., rad.~-; SKIRROV, - T. 1. . akademik# red.
YUSHMAM7 reZ: POGREBYSSKIY, I.B., dotsentg red.;
Ng. , Prue...
redAIA-va-, H NA, N,P.-,--t9khn.red.
E0ollected works in three volumes] Polnoe 9obranie tradov v trekh
-tomkh. Kiev, Ixd-vo Akadonwt* USSR. Vol#l. 1959., 310 P.
(HIRA,1218)
1. AN USSR (for Shtolmlo, Gnsdanko, Ishlinskly, Savia). 2. Chled-
korrespondent AN USSR (for Rbms%, Sokolov).
(Science)

ROZEMIL t D B.A.1 YUSIIKEVICI' A-p-
is treatise 011 the detero"'atio"
,,om,ants or. Kasi-aade al-Rumi ' isol. noX:533-
v degree of are* 1st.
of the sine Of 71=e (.mjM 14:8)
rtzt i ( n

A P Vr"TLR --E
LeonIhard FAaer's correspondence with the Academy of Sciences in Sto
I t. ist. est. i tc%'-
Trudy = -*
Petersburg frOwl 171a to 17576
im 160.
(I~aerp Leonhard~ 17(Y7-1783)

1(0=i'M$Dp B.A.# oty.
II.A. - tOtOWNIN t SoNo # red.;
red..
AYJffiX-IQV., 5.11., tekhn.red.
Nathematics before the Renaissance] Matematika do epokbi, Voz-
rozhdenila, Rosk7a., Gos, izd-vo fiziko-matem. lit-ry.
Book 2, (History of mathematics in the Middle Ages] Istoriia,
matematiki-v Sreftio.veka. 11961. 448 pe (111RA 150)

O$TfWcMSK!Yf' Mikhail Vd"illyovich, matamatikp ctokhaaik; S11TOKALOp I,Z.p
akademik.otv. red.; GNEDWO, S.V., akademik,, Eam. otv, red, , TSR-
L]ITSKIY, A.Yu.j aba-4emi1cp z=. otv. red.; BOGO1XU--KW,, akadeinik,,
red.; T~WZ, YeJa., red.; WIN,, G.N.j. akademik,. red.; SOKOTbV, Yu.D.,
red,; 94MIOV, V.I.,, akademik, red.;__Yj~ -AP.,_prof.# red.;
WIREWSSMp I.B., dotaontp red.; ShTnIK9 V.G., red. lid-va; Mlgffil-
Up N*Pj tokbno redo
(Complete works in three volumes] Polnoe sobrmie trudov v trekh to-
makh. Kiev, Izd-vo Akad. nauk U-1,M. Vol.2, 1961, 358 p.
(14IRA 24: 11)
calo, Gnedenko# Ishlinskiy). 2, Cblen-korrespondairt
1. AN USSR (for Shtol
AN USSR' (for -Remez, Sokolov).
(Mechanicap Analytic)

OSMOGRaMITI. XjkboA I Tan L I 1yevich (do ceased SETIOICA10, 1. Z., aimd Gimik,
btV.-red 0 0,, B.V. akadomik. oty.red.toma; IMINSKIT#
4 - - af~'
A.7h~,-- akadomik, ssiestitell otyre_.;-BOGOLYMOV'. -Y,-
red.; RORZ, Ta.Ya., otv.red,toma; SATIN, G,Not abOemik, red.:
SCK('=1 T4D., red.; UMNOV, V.I0-. a~demik,'red.-r YUSHKE7109#
A. P. t '1.B., dotsent, red&;
-_prof., red.; PCGREBYSSICIY, SWZL
--V.G., re . -ava; 1? AIU H.P., tathn.red.
d Izd
[Complete collection of -works in throe volumes] Folnoo, sobranis
tkudov v trekh tomeath. Tiev, - Izd-vo AX:ed.nauk USSR. Vol.3. L961.
395 P. (KM 15:2)
1. AN USSR (for Shtokalo, Gnedenko, Savin). 2. Chlouy-korrespoudenty
AN-USE (for Ramos, Sokolov),
(Mathematics)
(Ostrogradskii, Mikhail Vasillovich, 1801-1861)

BOGOLYUBOV, N.N., red.; GNBDENKOj B.V.j red,; P&JMSSKIv-$ T.B.j red.;
RUM, Ye.Ya.,, red.; a4MOV, V.I., red.; SOKOLOVp Yu.D.0 red@;
SHOULD, I.Z., red.; YUSH~M red.; SMORGIIA, S.A., red.;
- =C
YEMIAKOVA, Ye.A." tekEi. red,
(Pedagogical heritage and documents on the life and work of Mikhail
Vasillevich Ostrogradskii (1.1.1862 - 1.1.1962)Dlikhail Vasillevich
Ostrogradskii, 1 ian-varia 1862 - 1 ianvaria 1962; pedagogichoskoe
fiasledis, dokumonty o zhizni i doiatellnosti. Pod red.I.B.Pogre-
byaskogo i A.P.Wahkevicha. Moskvap Goo.izd-vo fiziko-mat6m.lit-ry,
196l.- 397 p. (MIRA 15.1)
If Akademiya nauk SSSR. Institut matematW.
(Ostrogradskii, Mikhail Vasillevich, 1801-1861)

KOLINAN., Er#ast; YUSHKEVICH A P ROZMTMID, B.A,,, otv. red.;
UW.OVA Z US A.H.p red.; Mumot K.F.0
tol.,bri. red-,
(Mathematics before tht Ronaissaneol Metwatikti do GpOklAVV4*o
rozhdeniia, Moskva$ Gos,izd-vo
(History of mathematics in-antiquity] Istoriia matematiki v drev-
nosti. 1961. 235 pe (MIRA 15:2)
(Mathematics.. Ancient)

ROZEIn-L D B.A.; yUSIUMVICII, A.P.
D=7 Of acienco discussed at the 25th
BMW problems in, thq-hie
Jnt.,6rnational Conaress of Oriental St'jdes' VOP'i(I-IIIIA 14:11)
no,l:L-.lqg-180 161.
(Orj6n-tal studies)
(science)

lip A.P-
RWENFELTY B.k-;-YUSHKEVP-..,,--,----
ibn
Ln work by Tb
clid's Fifth Postulate 1 Lndi. Ist- 'a"*
Proof$ of Eu, , ancl Shams al-Din al-SaMarqs. (mM 16:10)
(jurrah &1.41arrani
nool4:567-592 161.
liats elements)
(Euc 830-901)
(Thlbit_ibn qurrah al-Harriinis Ashraft fl.1291)
Sham al-Din Kuha=ad Jbn
(AI-Samarqandi,

KOPELEVICHs ru.Xh.1 XRUTIKOVAp- M*V,; FMAYLGvp G.K,,; RASKIN,, N,H,;
KNYAZBV# G.A.p red.; SICHMOV, VI %T
N.V., red.izd-va; BOCHM, V.T.t takhnrad, , _A.?.; TRAVIS,
[Manueoripts of L.W*rls works in the archives of the.
Aoad~qF of Saienocs of the V&S.3sR.1 RukopiWe materialY
--logilers. -y- arkhive Akademii nauk 338R. Mcakm, Iad-vo Akad,
naWk SM. .1.----[Soienti-flo-deiioription) Nvichnas opleanis.
!or
1962. M p. (Akademila nauk SM. Arkhiv,--TiW, fioa-17)-i
(Sular, Leonhard, 1707-1783) (MIRA 15:4)

ruslIKEVICHY A.P.
"Pre-Greek mathematicsO by lr.urt Vogel. Reviewed Ly A. P.
MshMvich. Vop.iot.oat.i tekh. no.12s210-212 162. (HIRA 15:4)
(Matlheihatics~ Anciont) (Vogal, Kurt)

km
YUSHKEVICH, A.P.
"Elemeats of the historf of mathematics" by Nicolas Bcurbakcl.
Reviewed bj A.P.Mahkovich. Vop.ist.eat.i tekh. ne.12:213-215
162. (MIRA 15t4)
(Mathematies) (Bourbaki, Nicolas)

YUSHKEVICH,,. A.
cians at the electirrs to *.-be Berlin
"Presentations of maheF-a,,i nn,-.Reviewed by A. P#
Academy of Sciencesv by Kurt-R- Blerma -216-21.8 -62. (MIRA 15:4)
lusbkovich. VoP ist.est.i tekh. no.12'4
iMathematicians) (Biermann, Kurt-R.)

GRIGORIYAN, A.T.; YUSWEVICH~ A-P-
Internaticnal symnosium on the his~orj of science in Oxford.
op ist i- takh. no.12; 242-243 162. f MRA 15:4)
(science-Congresses)

ousHimcH., A.Pe
ZUBOVj -P ~.--- ~ ,' . . ".. I.- I - 1- - ~ OresMe. Reviewed by
oMa problems in Fue-lidean OecMtrY* by- "1 13:160-
h. Vop. St. eat. i tol)th. no*
Zubovt A,P. vokhavia (K% 160)
162 62.
ogotrY) (Orearae p I N.)
Go
(

M-EDVEDEEV, Fedor Andreyevich; YIjSHnVjcH, A.P., doktor fiziko-
matem. njuk, otvo redo
(Development of the thOOrY of sets in the 19th century]
I
-~-azvitie tecrji mozhest-V V XIX veks. MoGkvap Nauka 1965.
231 P. (MI?,A 18.1~

T d,)ktclr fiz.-Mtenl-
.n.naukj_X~ .111J.11
A.T. doktor flz.-mate
GRIGORIYAN , k-
nauk; POGREMSKIYO I.V.p doktor fiz.-matemenau
tional congrtgs Of the historians of adence in
At thp interns. t. 4
Warsaw. Vest. AN SSSR 35 no.12-.67-71 D 165- (IUPIA 191.1)

NEVOLIN, I.T., kandidat takhaichookikh nauk;PAKRINU, V-M-. TUSHMICH, A.T.
Gharacteriatice of solutions of alkyl benceneculfonates and soap
mixtures. Haol.-thir.prom-23 no-lt27-30 '570- (KLRA 10:1)
1. Veasoyuznyy natichno-issladovatellskiy inatitut zhirov.
(Vashing powders) (Bulfonates).(Soap)

d-mlZ 7'arz
ca
t',-v fou'lxvi;IS inak-mr: 1, ic-p-
MID NY "! -W~ -tim) M I 'I
'tlo
a~~-j YU Jv;~! ~'Iafiw- fil~na'l Wftsoea uz
vr...q a SP04, 4".Drfmor 't F~r ot wttr---

PWROV, A.D., HIKISHINA, G.L., kand. L-him. nauk. Ml OLIN. F.T.j kand* tokha.
nauk, laUll-OSIXIIIA, G.A.. OHMMYA. H.T.. YUSMVICH. A.T.
Effect of thel size ani structure of tlid~slkyl--chatm of alkyl-
derivatives of benzeassulfanic acid on their surface active'and,
detergent properties. Hael.-zhir. prom. N no. 8:23-29 153.,
(HIRA 11:8)
1. Chlon-korrespondent AN SSSR (for Petrov). 2. AN SSSR (for Petrov,
Nikishins). 3. VassoyIuznyy mauchno-isaledovatellskiy institut
shirov (for Nevolin,, Kr V-0sokina, Orekhors. Thahkovich).
(Blenallulf onto acid)
(Surf see* active *goats)

ko
p a
V. .4
t, . :4 1 1 R
oil a
PIR
4
AN i i
0 'A - R q . A q 1, pq
. 11 -11 F
0, Ob
woo
tj
:r L4 .ry
i,. so
Fb
c3

He A.Vt
NVOLIN, F.Y., kand.takhn.uauk; TIPISIDVA, T.G.;
8 coEmsition of ClSaailnz coupomds on the qualit7
Effect of th J. no.9:29-30 '59.
of washed laundrY. Kasl.-zhir.Pron- 25 (14IM 12-.32)
1. V6080yusnyy nauchno-losladovat6l Iskly inatitut thirove
(Cle&VAng Compounds--Testing)

YUSMLEVICH.. E.8.
graphs of Augnist 1961 mateorso IZv-AH
processing of four PhOt( ol.nauk.I no.3:lv r62. .(KRA 160)
Turk.ssR.Ser.fiz*-tekh.#khim.1 ge
1, Fisiko-tekhnichaskiy Inatitut AN-Turkmonskoy SSR*

ACCESSION NR; AP4046297 8/0203.,(;4/004/005/0965/0968
-AUTHOR: Gullmedov, Kh., s!!~evlbh, E. S.
ju
TITLE: Structure and diffusion of meteor trails. from photographic observations
ROURMs (hiontagmatinm i aaronomiya, v, 4, no. 5, 1044, 906-068
TOPIC TAGS: meteor, meteor trail, meteor trail diffusion, atmospheric turbuloned,
meteor trail structure
ABSTRACT: This paper presents the results of photometric measurements of the black-
ening density of successive photographs of stable meteor trails, observed on 21 October
1961 Astronomicheskaya, observatoriya hn. V.P. Enolgardta (V. P. Engel Igardt Astr6-
nomical Observatory) at Kazan'. Two trails were investigated-. Partial results were
viously published by the author (GeomagneUzm:i aeranomiya, 1963, 3, No. 2, 309;
re
p
Byull. VAGO, 1962, No. 32(39)). The photographs were taken with a camera with a
Yupiter-811 objective (f = 1:2, F - 50 mm). Seven or eight successive ftegatives were
the
obtained for each trail. Measurements of, the blackening density-of the image of
trails were made using a UF-4 micrephotometer with a magnification of 20. Wormation
Is given, on the linear dimensions of the trails. It was found that the structure of the
Cqrd

ACCESSION NR: AP4046297
trail in the second exposure was atchy, consisting of Individual condensations. The
P f . .
largest condensations were formed at the beginning and end of the trail. The structure
of the trail changed by the third exposure: the condensations In the middle part of the
trail merged, only the large condensations at the beginning anti en&of the trail remaining,
There was also a shifting of Isophots from,exposure to exposure. Figures I and 2
of the Enclosure show that with Increasing height there Is a change in both veocity and
the coefficient of diffusion of the trails. These values correlate well with the'variation
in velocity of drift of- the trails. There Is an interrelationship between the structure of
the trails and their rates of diffusion and -drift; this can be attributed to the influence
of atmospheric turbulence on the formation and development of trails.- It is also shown
that attenuation of the trail occurs not only as a result of diffusion, but also due to
other phenomena which considerably accelerate this process Brightness of the trail Is
also variable with height, as shown by Fig. 3 of the Enclosu;e. Orig. art. has: 3
formulas, 4 figures and 1 table.
-bide
ASSOCIATION: I -geofizild I soysmologii, 'AN Mirkmenskoy SSR (Division of
Geophysics and Seismology, Academy of Sciences of the,Turkmen SSR)
SUBMITTED: May64 ENCL: 03.1 MJ13 CODE:. ,_AA
NO REF SOV: 004 OTHER:.7 000'
Card 216

ACCESSION NR: AP4046297, -ENCLOSURE: 03

Sv

Ed.,
4
Fig. 3. Relationship between brightness o*f'a meteor-trad and hefgfit..
J.Z
Card 5/6

E.S.
H
(prIJ21KO, A*H-
GULIMMOVA~ A.A.; SIM
notographle observations nf meteorso Izv. All Turk.
164
esults of P*
SSR, Ser* fiz.-tekh.p khim. I geol.nauk-:-to*3tl3l
(MIRA 18:1.)
1. Otdel g3ofizlki i aeys,,ftologli AN Turlananakoy SSRV Astrofizi-
cheskaya Laboratoriyas

*41~)s lot v w iir--t& 11 -M 11 fe it it .I is io it w U ld a ft It 0 14 'l, it a
_4 "P V: I A-v 11
S qje a *Ccf 4t9 I11V 'I'fft"'AV
C IU

ChEMiCA1 COM
OSMOO Of the V
t
arassun m
neral water. %.S th"41wwKIIlA vla
P
ExtrimfO-virs 4, 19 C". zentp,
0
(
D
h
1"r"
1W
J"Kil t
C
ACAiltttl gfiftflg WAtVf "ItIlAilts all all av.
'
io.&'Iv IL a. 7.92',
~ Mc piulflip and t1l
** a
1 l,
T~ 0
1
0
: -00
0
ow
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40
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400
4*0
NO 0

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All, st
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u is
El N $9 IN a It
i
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Vic /-/j
AUTHORS: Dzhelepov, B. S., Kraft, 0. Ye., 48 -2 2 -2 -14/17
Preobrazhenskiy, B. X., Yushkevich, G. F.
TITLE: Positron Spectra of the Dysprosium Fraction (Spektry pazitro-
nov disproziyevoy frakteii)
PERIODICAL: Izvestiya Akademii Nauk.SSSR 'Seriya Fizicheskaya, 1958
Vol. 22, Nr 2, pp. 2o8-21o (USSR)
ABSTRACT: The mentioned dysprosium fraction was here obtained by se-
paration from the tantalum target, which was irradiated by
protons with an energy of 66o MeT. In this connection it is
stated, that no data can be found in publications on the
dysprosium isotope with a half life of 2o hourn. Dy157 waa
ascribed to the ei(;hth period (reference 2). From reference 3
it can be seen, that another Dy155 exists with a half life of
lo hours. In order to determine which isotopes are contained
----in---the--here_obtai-ne~! preparation, its conversion spectrum was
investiEated, which resulted i:n -the -determination -of__1 1- peaks
of conversion electrons. 6 of these possessed the sarte half
life of 11 + 2 hours. The energy of the electrons amounted to
160 + 10, 277o � 15, 32o + 2o, 400 + 25, 465 � 3o and 61o + 30
Card 1/3 keV~ It was assumed, that these are K-electrons, possessing

Positron Spectra of the Dysprosium Fraction 48-22-2-.14/17
the transition energies 230, 32o, 370, 450, 515, and 66o _,-ev.
Such transitions "apparently" correspond to DY155 ar iiY157.
The ratio of the number of positrons and of the number of
conversion electron transitions vrith hV = 515 keV was establi-
shed to be 37,5. A half life of 4,7 days and energies of 98,
112, 132 and 162 koV here corresponded to the four groups of
conversion electrons, A compariaon with tho conversion
spectrum of the dysprosium fraction as given in referonce 3
permits to assume, that in this case it is concerned with the
lines k 148, K-162, X-182 and K-21o, which occur in the decay
of Tb'5~ (the first three of them), which also pertains to the
decay of Dy155 and Dy157. Concerning the 2o hours decay period
which was found in this investigation in the dysprosium fract-
ion, it is stated here, that its origin remained unclear. Con-
cerning this it is remarked, that in the measurements of the
terbium fraction on a ketron (reference 4) positrons from a
decay with a half life of 18 hours and a limit energy of
,-28oo keV were observed, which is near to the found half li-
fo of -.2o hours. For this reason it is aoiumed, that the re-
spective positron spectrum refers to the isotope Tb with a half
life of 18 hours. There are 4 figures and 4 referencos,
Card 2/3 3 of which are Sovibt.

Positron Spectra of the Dysprosium Fraction 48-22-2-14/17
A450CIATION: Pizicheskiy instittit Lenin.-radskcEo C.;es. universitelta in.
A. A. Midanova (11hy 1110(l IflotMito)Lonit)gynd Univoroity il;wni
A. A. ghdanov)
AVAILABLE: Library of Congress
1. Dysprosium fraction-Positron spectra 2. Proton irradiation-
Application
Card 3/3

-=a-EICH G.F., otv. na vypusk; MIGORIYET. Ye.P.. red.; BREDUM,
ANW4.7kc,oIntrolInyy red.
(Instruments based on the application of radioisotopes and
radiation; catalog) Pribory, oenovannye na primenenii radio-
aktivnykh izotopov i izluchenii,- katalog. Moskva. 1959.
31 P. (KIRA 12:11)
Im-orlborov I sradstv
imereniya, primenyayemykh -pri i saledovaniyakh v slil skokho-
~,Z,yaystvqnnyk,h.nawhV"-_uchre1zhdeniyakh*,
-- - - ----- lwdloisotopes.~:-Indust *1-, applii ti. na) L -Ona"
A ca 0 ti~umexxts)--

'GDE.- up~()12c)/66/(x)o!rc!,
L99

-y uwveraitEl',
gowldaxstvenny
C,~ -e! r!-re~-:ne -~f t~ phir:l -,imltiplier with venvtian-blllrx~ dy-node
Sy St
SCUR'F; fl-ribory, no
.

P- "PTC TA , S v cr r~i 1lp I G&nm i3pectromieter, rci i Eat i on

r 5: r,- Yrd
ann wit n a'-m. a, ~--h~ckir4~

L.1 v r, t ag e s
ck en! SuPL;.Ly T: h~
p -d Eip- i f -1 cat ons f or the s p vu: t i pers
:,"'.-ndence of "he am-plitude t',e

In 'he tests meiisuz-u-d
A .4 FEU- `12 ajid. 11~9 'i-my sz,-u-me
R p-l- se - ~-,C

1 F-, ea t aIz~
~he va-

77-7777-77~~

L 08077-67__~q(o
-,.(M-)--
ACC NR, AP6034215 SOURCE com uW366/66/005/004/0486/0483
AUTHOR: Yurjltk,,v "G. -F.;.Soohina. N. V#
ORG: none
TITLE: Investigatio'n of.the 'effect of neutron and_gamma irradiation on the optical
density of 'glasses tised in _9om.W--ph-6f6-mMu1 P.Viefs-
r
SOURCE:.' Zhurnal p-q- k_~adn.gy-spektros kopii, v. 5, no. 4, 1966, 486-488
tiplier, gamma irradiation, neutron irradiation, irradiation
TOPIC TAGS. photomtil,
effect
-ABSTRACTI An investigation was made of the effect of gamma and neutron irradiation
on tha 0 tical denatty -of uried for FEU-13, FFU-14, FEU-52, and FEU-56
P
Pilo tomul tiplia to* Photocathode ~oj 40 and - 70 mm in - d tomater and -1 and 2 mm,
thick, respectively, were used cis speJlens. Gamma teradiatioti Was condticted In
cobalt installations with dose rates of 100 and 1 r/sec. Neutron irradiation was
conducted in the vertical channel of an IRT-2000 reactor with integral fkuxes of 101011
1 101.2, 1014 , and 1016 neutrons/CM2., A gammia-irradiation dose of the order of
5 x 104 r at Ian average quantum energy of 1.25 Mev increased the optical density of
glasses.approximately 1.05 times. Camma doses of 107 r and higher brought about
Neutron irradiation also darkened the glasses, although the
greater changes.
darkening was uneven. --The darkening can be linked to the appearance of F-color
Card 1/2 666,266.5