|
MATHEMATICS
|
|
Extension of mappings of toplogical spaces
N. V. Velichko
|
1255–1258 |
|
|
A limit theorem for the number of level crossings by a stationary Gaussian process
M. P. Ershov
|
1259–1262 |
|
|
Certain criteria for the non-oscillation of linear differential operators
G. S. Zaitseva
|
1263–1264 |
|
|
Singular Cauchy and Tricomi problems
M. B. Kapilevich
|
1265–1268 |
|
|
A maximum principle for hyperbolic equations and its application to equations of mixed type
M. E. Lerner
|
1269–1272 |
|
|
A method of regularizing singular perturbations
S. A. Lomov
|
1273–1276 |
|
|
Regularization of the Cauchy problem for pseudo-differential equations
V. P. Maslov
|
1277–1280 |
|
|
An application of the method of the contour integral to the solution of mixed problems for a certain parabolic system
M. L. Rasulov
|
1281–1284 |
|
|
Representations of a continuous group by unbounded operators
S. S. Sannikov
|
1285–1288 |
|
|
A contribution to the theory of iteration processes
G. I. Chandirov
|
1289–1291 |
|
|
A certain class of stochastic programming problems
D. B. Yudin
|
1292–1293 |
|
|
CYBERNETICS AND THE REGULATION THEORY
|
|
|
Operating stability of complex systems
V. V. Kalashnikov
|
1294–1297 |
|
|
PHYSICS
|
|
|
Critical state of a liquid, as investigated by means of gravitational waves
M. Sh. Giterman
|
1298–1301 |
|
|
Perturbation theory for the expansion coefficients of two-electron wave function
A. M. Ermolaev
|
1302–1305 |
|
|
Pair correlation in polycyclic molecules
V. Z. Kresin
|
1306–1309 |
|
|
Features of critical current behaviour in wires of superconducting niobium-base alloys, as dependent on magnetic field and temperature
B. G. Lazarev, L. S. Lazareva, S. I. Goridov
|
1310–1312 |
|
|
Relaxation of the spin of iron in the ferromagnetic compounds of $\mathrm{MnSb}$ and $\mathrm{CrTe}$ below the
Curie point
S. S. Yakimov, V. Ya. Gamlitskii, V. I. Nikolaev, S. Rodin
|
1313–1315 |
|
|
GEOPHYSICS
|
|
|
Phase transitions and critical phenomena taking place in the Earth's shell
M. V. Avdulov, V. K. Semenchenko
|
1316–1319 |
|
|
Some results of magnetotelluric probing in the drift region of the North Pole-13 station
N. A. Deniskin, N. V. Lipskaya
|
1320–1323 |
|
|
Equations of general circulation in the upper atmosphere
M. N. Izakov
|
1324–1327 |
|
|
Estimate of the negative ion concentration in the $D$ region of the ionosphere
G. S. Ivanov-Kholodnyi
|
1328–1329 |
|
|
Global gravity variations with time
È. È. Fotiadi, I. M. Pudovkin, G. E. Valueva
|
1330–1332 |
|
|
CRYSTALLOGRAPHY
|
|
|
X-Ray diffraction study of double molybdate $\mathrm{KY(\mathrm{MoO}_4)}_2$
R. F. Klevtsova, S. V. Borisov
|
1333–1336 |
|
|
|
Поправки к статье “Об оценках скорости сходимости некоторых проекционных методов
решения эллиптических уравнений” (ДАН, т. 174, № 3, 1967 г.)
Yu. K. Dem'yanovich
|
|
|
|
Поправки к статье “К вопросу о равномерном приближении функций положительными линейными операторами”
(ДАН, т. 172, № 4, 1967 г.)
M. I. Morozov
|
|
Contact us: