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JOURNALS // Doklady Akademii Nauk // Archive

1973, Volume 210, Number 1


MATHEMATICS
Multivalued solutions and a principle of classification of nonlinear differential equations
A. M. Vinogradov
11
A homogeneous Riemann boundary-value problem with infinite index with a countable set of coefficient discontinuities of the first kind
M. I. Zhuravleva
15
On a nonmajorizable method for choosing a confidence region for one type of specified function
A. S. Kronrod
18
The solution of incorrectly posed problems by methods of successive approximations
A. V. Kryanev
20
On the divergence of Fourier series almost everywhere
B. S. Mityagin, E. M. Nikishin
23
Generalized Cauchy–Riemann system with several independent variables
L. G. Mikhailov, A. V. Abrosimov
26
Change of variables in a Lebesgue multiple integral and in an $A$-integral
I. V. Orlov
30
Isomorphism theorems and elliptic problems with potentials
Ya. A. Roitberg
33
Sufficient conditions for the existence of a minimum of a functional generated by a countable system of unbounded operators
S. N. Slugin, V. M. Shashkov
37
On uniqueness theorems for infinite systems of linear equations
M. I. Tabachnikov
40
Differential-topological aspects of Cartan’s method
R. N. Shcherbakov, V. V. Slukhaev
44

AERODYNAMICS
On the method of numerical solution of Navier–Stokes equations for a compressible gas in wide range of Reynolds numbers
A. I. Tolstykh
48

FLUID MECHANICS
Experimental realization of a hydrodynamic thermal explosion
A. G. Merzhanov, A. P. Posetselsky, A. M. Stolin, A. S. Steinberg
52

THEORY OF ELASTICITY
The solution of a certain class of dual equations
V. M. Aleksandrov
55

MATHEMATICAL PHYSICS
The existence of thermodynamic limits in certain models of quantum field theory
D. Ya. Petrina, S. S. Ivanov
59

PHYSICS
The distribution function and radiation line contour of ions in the low-pressure discharge
A. V. Eletskii, B. G. Freinkman
62

GEOPHYSICS
Self-exciting oscillations in a liquid under conditions of developed convection
A. S. Blokhin, N. S. Blokhina, O. S. Makaeva
75
The change in Earth rotational velocity and the baric field of the Earth's northern hemisphere
I. V. Maksimov, B. A. Sleptsov-Shevlevich
79
Maps of the earthquake probable intensity
Yu. V. Riznichenko
82

CRYSTALLOGRAPHY
Matrix-vector method of vector system interpretation
R. V. Galiulin, B. N. Delone
85
More precise definition of the atomic structure of wöhlerite, $\mathrm{NaCa}_2(\mathrm{Zr},\mathrm{Nb})[\mathrm{Si}_2\mathrm{O}_7](\mathrm{F},\mathrm{O})_2$
V. M. Golyshev, L. P. Otroshchenko, V. I. Simonov, N. V. Belov
89


© Steklov Math. Inst. of RAS, 2026