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MATHEMATICS
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On the stability of three-level difference schemes with nonselfadjoint operators
A. V. Gulin
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513–516 |
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On predicate and arithmetic calculi of symmetric constructive logic
I. D. Zaslavsky
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517–520 |
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On the functional system $\mathscr{P}_\Sigma$
V. B. Kudryavtsev
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521–522 |
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On a class of problems in integral geometry
M. M. Lavrent'ev, A. L. Bukhgeim
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523–524 |
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Local classification of first-order nonlinear partial differential equations
V. V. Lychagin
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525–528 |
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On elliptic boundary value problems with discontinuous coefficients on manifolds with singularities
V. G. Maz'ya, B. A. Plamenevskii
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529–532 |
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On Denjoy integrable sums of everywhere convergent trigonometric series
V. A. Sklyarenko
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533–536 |
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Hierarchies of general recursive operators and general recursive types of degrees of noncomputability
Yu. D. Strigin
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537–540 |
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On the language of multi-place recursive functions
N. P. Ter-Zakharyan
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541–542 |
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The Fuglede–Putnam theorem and reflexivity
V. S. Shulman
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543–544 |
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Multistage problems of stochastic programming
D. B. Yudin
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545–548 |
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CYBERNETICS AND THE REGULATION THEORY
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Accumulation of perturbations in invariant dynamic systems
B. A. Ryabov, G. P. Sachkov
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549–551 |
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FLUID MECHANICS
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The theory of porous medium sinuosity coefficient
A. B. Kazansky
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552–554 |
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THEORY OF ELASTICITY
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Self-modelling problems in dynamical elasticity theory for cracks
E. F. Afanas'ev
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555–558 |
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ASTRONOMY
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Measurements of temperature, pressure, and velocity of wind in the Venusian atmosphere on the automatic space probe Venera-8
M. Ya. Marov, V. S. Avduevskii, V. V. Kerzhanovich, M. K. Rozhdestvenskii, N. F. Borodin, O. L. Ryabov
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559–562 |
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PHYSICS
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Soft-energetic electrons in the ionosphere as a new source of electromagnetic waves in the very low frequency range
E. F. Vershinin, Yu. N. Gorshkov, E. A. Ponomarev, V. Yu. Trakhtengerts, V. I. Shapaev
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563–566 |
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Pretransition in crystals of $\mathrm{K}_2\mathrm{SO}_4$
E. V. Kolontsova, È. E. Kulago, N. I. Byakhova, I. E. Mikhailenko
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567–569 |
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GEOPHYSICS
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Perturbation theory for radial oscillations of the Earth. Second approximation
S. Ts. Akopyan, V. N. Zharkov, V. M. Lyubimov
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584–587 |
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On the motion of deep waters in the western border region of the tropical Atlantic
K. A. Chekotillo
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588–590 |
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The determination of geoelectrical section characteristics according to the curves of frequency sounding of $H$ and $A$ class
B. S. Ènenstein
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591–594 |
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Поправки к статье “О влиянии формы тела на характеристики автомодельного осесимметричного следа”
(ДАН, т. 207, № 4, 1972 г.)
V. I. Bukreev, O. F. Vasiliev, Yu. M. Lytkin
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Поправки к статье “О неравенствах типа Маркова–Никольского для алгебраических многочленов в многомерном случае”
(ДАН, т. 207, № 3, 1972 г.)
I. K. Daugavet
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