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MATHEMATICS
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Classes of operator $R$-functions and their realization by conservative systems
S. V. Belyi, È. R. Tsekanovskii
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441–445 |
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Fréchet sheaves over a holomorphically complete complex space
V. D. Golovin
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446–448 |
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Multivalued solvability of some elliptic problems in $\mathbf{R}^N$
I. A. Kuzin
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449–453 |
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The method of singular perturbations for differential inclusions
A. B. Kurzhanskii, T. F. Filippova
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454–459 |
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On the accuracy of Tikhonov regularizing algorithms and the
quasi-optimal choice of regularization parameter
A. S. Leonov
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460–465 |
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Inversion of Riesz $B$-potentials
L. N. Lyakhov
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466–469 |
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Polynomial interpolation of nonlinear functionals
V. L. Makarov, V. V. Khlobystov
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470–473 |
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Marcinkiewicz-type means of polynomial Fourier expansions
A. D. Nakhman
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474–477 |
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Smoothness of solutions of second-order degenerate quasilinear
elliptic equations
A. A. Novruzov, F. I. Mamedov
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478–481 |
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Asymptotic integration of ordinary differential equations with
discontinuities in the right-hand side
V. V. Filippov
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482–485 |
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Group pursuit for controlled objects with different time lags
A. A. Chikrii, I. S. Rappoport
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486–490 |
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CYBERNETICS AND THE REGULATION THEORY
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New theorems on forced periodic oscillations and bounded
solutions
M. A. Krasnosel'skii, J. Moven, A. V. Pokrovskii
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491–495 |
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Series expansion of the Radon transform of functions of several
variables in a ball
N. A. Magnitskii
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496–498 |
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MECHANICS
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Matrix equations of motion of nonholonomic systems
V. V. Velichenko
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499–504 |
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MATHEMATICAL PHYSICS
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Orbital stability of boundary states in the theory of long waves
with additional pressure
A. T. Il'ichev, A. Yu. Semenov
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505–508 |
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The kinetics of a percolation lattice as a model of the filtration
of an oil stratum
A. R. Kessel, V. I. Gusev
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509–512 |
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PHYSICS
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X-ray determination of elastic constants of chalcopyrite
N. N. Sirota, Zh. K. Zhalgasbekova
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513–517 |
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