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MATHEMATICS
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Construction of regularizing operators that are close to optimal
for convolution-type one-dimensional and multidimensional equations of
the first kind
V. Ya. Arsenin, A. A. Timonov
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1289 |
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Approximation of periodic functions of several variables by a “floating” system of exponentials, and trigonometric widths
È. S. Belinskii
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1294 |
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Some conditions for the existence of solutions of nonlinear
boundary value problems
S. A. Brykalov
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1297 |
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Boundary singularities generated by limit sets of holomorphic
mappings
V. I. Gavrilov
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1301 |
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Characterization of certain function spaces by means of
generalized differences
G. A. Kalyabin
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1305 |
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Investigation of solutions of a system of nonlinear Volterra–Fredholm operator equations
Ya. D. Mamedov, V. M. Musaev
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1308 |
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Finite groups with a centralizer of order $6$
A. A. Makhnev
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1312 |
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Convex hypersurfaces in a pseudo-Euclidean space
A. D. Milka
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1314 |
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A nonlocal boundary value problem for an elliptic equation with
Bessel operators
Ho K'ang Cher
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1317 |
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CYBERNETICS AND THE REGULATION THEORY
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Gradient methods in convex integer programming
M. M. Kovalev, N. N. Pisaruk
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1322 |
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THEORY OF ELASTICITY
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High-frequency piezo ceramic shells
Le Khan Chau
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1327 |
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ASTRONOMY
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Thin jets observable at some T Tau-type stars and cometary nebulae
A. L. Gulbudagyan
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1331 |
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GEOPHYSICS
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On the motion of phase boundaries in the lithosphere
A. O. Gliko
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1333 |
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Linear transformation of anomalous gravitational
field into equivalent mass distributions (the case of half-space)
V. N. Stadnichenko, I. I. Naumenko-Bondarenko
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1336 |
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MATHEMATICAL PHYSICS
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The Bogolyubov kinetic equation for quantum dynamical systems
D. P. Sankovich
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1340 |
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PHYSICS
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Kinetic self-focusing of the $\mathrm{CO}_2$ laser radiation in the air
N. G. Basov, V. A. Danilychev, I. G. Rudoĭ, A. M. Soroka
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1346 |
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The multiple contraction at diaphragming the discharge column in helium
N. V. Evtyukhin, A. D. Margolin, A. V. Savel'ev, V. M. Shmelev
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1350 |
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On the diffusion-electrodynamic instability of ionization wave front
I. A. Kirillov, V. D. Rusanov, A. A. Fridman
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1352 |
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Velocity “eigenvalue” of the interphase
B. A. Malomed, E. N. Rumanov
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1355 |
