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JOURNALS // Doklady Akademii Nauk // Archive

1973, Volume 212, Number 2


MATHEMATICS
On minimal enumerations of computable classes of recursively enumerable sets
V. V. V'yugin
273
On $n$-dimensional dynamical systems close to systems with a structurally unstable homoclinic curve
N. K. Gavrilov
276
On a representation of the algebra of differential operators and related differential equations
R. J. Grabovskaya, S. G. Krein
280
On a basis of the space of functions analytic in an annulus
I. I. Ibragimov, N. I. Nagnibida, T. S. Shmata
284
Representations of an infinite dimensional unitary group
A. A. Kirillov
288
Estimates of the gradient of the solution of an elliptic equation on the boundary of the domain
I. D. Mayergoyz
291
A certain generalization of the Kleene–Mostowski hierarchy
N. N. Nepeivoda
295
On the spectral analysis of dissipative operators
B. S. Pavlov
298
Mean periodic extension of continuous functions with preservation of smoothness
A. M. Sedletskii
302
A certain class of positive linear operators in topological linear spaces
A. V. Sobolev
305
Estimates with minimal absolute moments for the calculation by the Monte Carlo method of the sum of a Neumann series
A. I. Khisamutdinov
308

CYBERNETICS AND THE REGULATION THEORY
A special class of optimization problems
B. L. Litvak
312

MECHANICS
The blunt body motion with great velocity in the hydrogen–oxygen mixture
G. G. Chernii, S. Yu. Chernyavskii
316

AERODYNAMICS
Asymptotic equations of flow of a viscous gas in narrow extended spaces
K. M. Magomedov
320

FLUID MECHANICS
On an underwater explosion near the free surface
V. K. Kedrinskii
324

ASTRONOMY
Results of solar corona observation from the “Voskhod-2” manned spaceship
K. Ya. Kondrat'ev, A. I. Lazarev, A. A. Leonov, O. I. Smoktiy
327

PHYSICS
The calculation of porcus fuel burnout
V. A. Zlobinskii, M. S. Orenbakh
331

GEOPHYSICS
The linking of upper and lower atmosphere by the radiation and the possibility of sea level pressure change prediction when the geomagnetic disturbances are present
B. F. Gordietz, M. N. Markov, L. A. Shelepin
341
On some results of measurement of Earth's electric field variations
N. V. Krasnogorskaya, V. P. Remisov
345
Heat flux in the central and western part of the Black Sea
E. A. Lyubimova, L. A. Savostin
349

CRYSTALLOGRAPHY
Shift oscillation quartz resonators with rod piezocells
V. G. Androsova, P. G. Pozdnyakov
353
Interpretation of $\mathrm{K}_2\mathrm{SmF}_5$ crystalline structure by the peak rhomb method
R. I. Bochkova, Yu. N. Saf'yanov, È. A. Kuz'min, N. V. Belov
357

Поправки к статье “Теория возмущений для радиальных колебаний Земли. Второе приближение” (ДАН, т. 210, № 3, 1973 г.)
S. Ts. Akopyan, V. N. Zharkov, V. M. Lyubimov


© Steklov Math. Inst. of RAS, 2026