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MATHEMATICS
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On the structure of higher-dimensional surfaces carrying a net of lines of curvature
M. A. Akivis
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1247–1249 |
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On Chebyshev and almost-Chebyshev subspaces
A. L. Garkavi
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1250–1252 |
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On certain boundary-value problems for the equation $u_{xx}+\operatorname{sign}y u_{yy}=0$
G. Karatoprakliev
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1253–1256 |
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The first boundary-value problem for certain semi-bounded hypo-elliptic differential operators
V. P. Mikhailov
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1257–1260 |
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Unitary permutation operators in the space $\Pi_\kappa$
M. A. Naimark
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1261–1263 |
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Estimates for the rate of convergence of solutions of difference equations to solutions of elliptic equations
with discontinuous coefficients and a numerical method of solving the Dirichlet problem
V. Ya. Rivkind
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1264–1267 |
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On the continuation of a mapping of a Boolean ring into a topological Abelian group
L. Ya. Savel'ev
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1268–1269 |
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On the minimal radical class over a class of Abelian groups
Ch'ang Wang Hao
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1270–1273 |
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Continuation of the solution of the Cauchy problem for parabolic systems
S. D. Èidel'man, S. D. Ivasishen
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1274–1277 |
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AERODYNAMICS
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The flow of a nonequilibrium gas
V. N. Zhigulev
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1278–1281 |
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THE MECHANICS OF CONTINUOUS MEDIUM
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General forms of the relations between tensor fields in an anisotropic continuous medium, the properties
of which are described by vectors, tensors of the second rank, and antisymmetric tensors of the third rank
V. V. Lokhin
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1282–1285 |
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PHYSICS
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Wave functions and calculation of matrix elements for longitudinally polarized vector particles
A. A. Bogush
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1286–1289 |
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Self-diffusion at the surface of polycrystalline silver
Ya. E. Geguzin, G. N. Kovalev
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1290–1292 |
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Separation of silicon isotopes in monosilane by thermodiffusion
G. G. Devyatykh, G. K. Borisov
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1293–1294 |
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Inductive resonance energy transfer from aromatic molecules in the triplet state
V. L. Ermolaev, E. B. Sveshnikova
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1295–1298 |
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The maximum amount of information transmissible by an electromagnetic field
D. S. Lebedev, L. B. Levitin
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1299–1302 |
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Melting on compression by shock wave
V. D. Urlin, A. A. Ivanov
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1303–1306 |
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GEOPHYSICS
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The structure of the $F$ layer and the reasons for convection in the earth core
S. I. Braginskii
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1311–1314 |
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CHEMISTRY
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Interaction of 2,3-diaryl-and 2-aryl-3-alkylindones with nitrogen oxides
B. V. Aleksiev, Ch. P. Ivanov, I. N. Iukhnovski
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1315–1318 |
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Descending thin-layer chromatography of polyhydroxy compounds
L. D. Bergelson, È. V. Dyatlovitskaya, V. V. Voronkova
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1319–1321 |
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Radiation polymerization of tetrafluoroethylene in the solid state
M. A. Bruk, A. D. Abkin, P. M. Khomikovskii
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1322–1325 |
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Extraction of niobium pyrrolidinedithiocarbaminate
I. M. Gibalo, I. P. Alimarin, P. Davaadorzh
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1326–1327 |
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On the stability of complex platinous compounds of diacidodiamine type
A. A. Grinberg, M. I. Gel'fman
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1328–1331 |
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Thin-layer chromatography of carbohydrates on gypsum
Yu. A. Zhdanov, G. N. Dorofeenko, S. V. Zelenskaya
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1332–1333 |
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Steric hindrances in the dienesynthesis of cyclopentadiene with dienophiles of the isopropenyl type
A. I. Konovalov
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1334–1336 |
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An investigation of the $\mathrm{BeF}_2$ – $\mathrm{ZrF}_4$ system
Yu. M. Korenev, A. V. Novoselova
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1337–1339 |
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The equilibrium diagram of $\mathrm{TiCr}_2$ – $\mathrm{NbCr}_2$
I. I. Kornilov, K. I. Shakhova, P. B. Budberg, N. A. Nedumov
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1340–1342 |
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The mechanism of peroxomonosulphuric acid decomposition reactions investigated by means of isotopes
V. A. Lunenok-Burmakina, A. P. Potemskaya
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1343–1346 |
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Acoplanar arrangement of molecules in benzalaniline and its derivatives
V. I. Minkin, E. A. Medyantseva, A. M. Simonov
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1347–1350 |
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Ethylene polymerization on a chlorinated mixture of titanium and aluminium
K. S. Minsker, G. T. Fedoseeva, N. A. Vorob'eva, G. A. Razuvaev
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1351–1353 |
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The photolysis of $\alpha$-pyridylferrocene salts
A. N. Nesmeyanov, V. A. Sazonova, A. V. Gerasimenko, N. S. Sazonova
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1354–1355 |
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PHYSICAL CHEMISTRY
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The mechanism underlying the radiation-induced oxidation or reduction of inorganic acceptors in acetone solutions
N. A. Bakh, M. Roder, L. T. Bugaenko
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1356–1359 |
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X-ray spectroscopic study of certain polyferrocenes
È. E. Vainstein, Yu. F. Kopelev
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1360–1363 |
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Energy of solvation and persolvation ($\lg\gamma_0$) of individual ions in non-aqueous solutions
N. A. Izmailov
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1364–1367 |
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Spontaneous and forced decay of two-charge ions
S. E. Kupriyanov, A. A. Perov
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1368–1370 |
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Heat conductivity of the hexaborides of alkali metals and rare-earth metals
S. N. L`vov, V. F. Nemchenko, Yu. B. Paderno
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1371–1372 |
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Three-dimensional kinetic waves in the polarography of salts of weak acids in non-buffer solutions
S. G. Mairanovskii
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1373–1376 |
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The structure-mechanical properties of palygorskite paste as influenced by the orientation of the particles
S. P. Nichiporenko, V. V. Khil'ko
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1377–1379 |
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Ionization of bases and proton transfer in nucleic acids and their components
B. I. Sukhorukov, V. I. Poltev, L. A. Blumenfeld
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1380–1383 |
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The thermomechanical characteristic of the molecular weight if linear polymers as exemplified by natural rubber
B. Ya. Teitel'baum, È. F. Gubanov
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1384–1386 |
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A new semiconducting phase in zinc-antimony system
Ya. A. Ugai, E. M. Averbakh, Yu. Ya. Gukova, V. V. Lavrov
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1387–1389 |
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Acceleration of polyethyleneterephthalate crystallization by mechanical forces
A. A. Frolova, P. V. Kozlov
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1390–1392 |
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