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JOURNALS // Doklady Akademii Nauk // Archive

1983, Volume 268, Number 3


MATHEMATICS
Regularizing stopping rules under conditions of random errors
A. Yu. Veretennikov, M. A. Krasnosel'skii
521
The $\epsilon$-maximum principle for suboptimal controls
R. Gabasov, F. M. Kirillova, B. Mordukhovich
525
Pursuit of an evading object by several objects of different type
N. L. Grigorenko
529
An index for invariant elliptic operators, $K$-theory, and representations of Lie groups
G. G. Kasparov
533
Estimates of the attainable set and construction of admissible controls for linear systems
V. A. Komarov
537
Spherical harmonics and subharmonic functions
A. A. Kondratyuk
541
On the reducibility of nonlinear evolution equations to linear normal form
N. V. Nikolenko
545
On retractions of homogeneous spaces
N. G. Okromeshko
548
On the probability of large deviations of maximum likelihood estimators
M. E. Radavicius
551
Metasymplectic geometries as geometries on absolutes of Hermitian planes
B. A. Rozenfel'd, T. A. Stepashko
556
A recursive parametrization of the group $U(n)$
F. I. Fedorov
560

AERODYNAMICS
Toward a theory of the sail
M. A. Brutyan, P. L. Krapivsky
563

FLUID MECHANICS
Relations at the interface of media in the presence of heat transfer and inhomogeneity of basic parameters along the surface
V. V. Gogosov, V. A. Naletova, Chyong Za Bin, G. A. Shaposhnikova
566

THEORY OF ELASTICITY
Discrepancies of matching of the displacements and stresses in problems concerning joining and contact of elastic bodies
L. B. Cvik
570

GEOPHYSICS
Seismic anisotropy in a mantle transition zone
L. P. Vinnik, G. L. Kosarev, L. I. Makeeva
575
Wave field near the rupture and the estimation of source parameters
V. M. Graizer, N. V. Shebalin
579
On the shape of Alfven modes in the axisymmetric adiabatic trap (magnetosphere)
A. L. Krylov, A. E. Lifshits
583

PHYSICS
Motion of a spherical particle in its own saturated vapor at arbitrary Knudsen numbers
S. A. Beresnev, V. G. Chernyak, P. E. Suetin
588
On the influence of a weak pulsed magnetic field on the real structure of solids
G. I. Distler, V. M. Kanevskii, V. V. Moskwin, S. N. Postnikov, L. A. Ryabinin, V. P. Sidorov, G. D. Shnyrev
591
Laser annealing of $\mathrm{A}^{\mathrm{III}}\mathrm{B}^{\mathrm{V}}$ semiconductors
L. N. Kurbatov, I. G. Stoyanova, P. P. Trokhimchuk, A. S. Trokhin
594

CRYSTALLOGRAPHY
On the classification and properties of the crystallographic orbits
A. L. Talis, E. V. Chuprunov, T. N. Tarkhova
622


© Steklov Math. Inst. of RAS, 2026