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JOURNALS // Doklady Akademii Nauk // Archive

1984, Volume 276, Number 2


MATHEMATICS
Asymptotic estimation of the spectral function of an elliptic operator
R. R. Ashurov
265
On precise asymptotics of the eigenvalues for two classes of differential operators in $\mathbf{R}^d$
V. Ya. Ivrii
268
Estimates of anti-a priori type for eigen- and associated functions of certain differential operators
N. Yu. Kapustin
271
A boundary value problem for second-order elliptic equations in the presence of singularities at isolated boundary points
I. A. Kipriyanov, V. V. Katrakhov
274
Characterization of Chebyshev systems and sufficient conditions for their nonextendability
L. G. Labsker
277
Asymptotic behavior of the spectrum of problems with constraints
S. Z. Levendorskii
282
Pulse optimal control of linear systems with distributed parameters
S. I. Lyashko
285
A problem of J.-L. Lions
Yu. S. Osipov, A. P. Suetov
288
Germs on $\mathbf{C}P^1\times\mathbf{C}P^1$ of holomorphic vector bundles on $\mathbf{C}P^3\times\mathbf{C}P^3$ trivial on $\mathbf{C}P^1\times\mathbf{C}P^1$
D. A. Ponomarev
292
An inverse problem for $\mathscr{P}_n$-approximation of the kinetic transport equation
V. G. Romanov, S. I. Kabanikhin, K. Boboev
296
The method of the alternating Pontryagin integral in linear differential games with variable structure
E. A. Semina
299
Analyticity of functions from the class $L_1$ satisfying the Cauchy–Riemann conditions
G. Kh. Sindalovskii
303
Behavior of solutions of boundary value problems for nonlinear equations with coefficients of arbitrary growth with unbounded increase in the order of equations
Tran Duc Van
305
Operator-differential equations on the half-axis and related spectral problems for selfadjoint operator pencils
A. A. Shkalikov
309
The linearized multidimensional inverse Lamb problem
V. G. Yakhno
314

FLUID MECHANICS
Compressibility effects in displacement of water and oil by gas
P. G. Bedrikovetskii, R. D. Kanevskaya, M. V. Lur'e
319

ASTRONOMY
Double-layer model of the night-side Venusian ionosphere formation from the radio occultation data
I. K. Osmolovskii, N. A. Savich, L. N. Samoznaev
325

GEOPHYSICS
The experience in the Kola Peninsula MHD-sounding data interpretation based on the electromagnetic field migration method
E. P. Velikhov, M. S. Zhdanov, M. A. Frenkel'
329
On the statistical foundation of the atmosphere regional pollution components in background region
Yu. A. Izrael, F. Ya. Rovinskii, M. Ya. Antonovskii, V. M. Buchstaber, E. A. Zelenyuk, Yu. P. Cherkhanov
334
Postulates of the special theory of relativity in the framework of formalization of the unity of elastic and electromagnetic fields
G. L. Shpilker
338

MATHEMATICAL PHYSICS
Periodic solutions in a model of pulsar rotation
O. I. Bogoyavlenskii
343
Wave operators for semigroups and transition functions
V. D. Koshmanenko
347
A hydrodynamic analogue of the problem of motion of a rigid body with a fixed point in a Lorentz force field
V. V. Lunev
351
Constants of Kneser type and effective masses for zone potentials
F. S. Rofe-Beketov
356

PHYSICS
Photophase effect
M. V. Alfimov, I. L. Aptekar, A. E. Galashin, E. A. Galashin, V. F. Razumov, V. M. Fridkin
360
On the sequence of bifurcations of the movement of strange attractors during their splitting in case of simple systems
R. L. Stratonovich, E. S. Nikolaevskii
363


© Steklov Math. Inst. of RAS, 2025