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1991, Volume 320, Number 4  


MATHEMATICS
A convolution equation with a power nonlinearity of negative order
N. K. Karapetyants, A. Ya. Yakubov
777–780
Space-like hypersurfaces and a problem on the continuation of a function with constraints on the gradient
A. A. Klyachin, V. M. Miklyukov
781–784
Minimax control of an integral functional
A. N. Krasovskii
785–788
Nonoscillation and monotonicity of solutions of a differential equation
M. B. Kudaev
789–791
Boundary value problems for ordinary differential equations with data at infinity
L. D. Kudryavtsev
792–798
Existence and uniqueness of solutions of ordinary differential equations with initial data at infinity
L. D. Kudryavtsev
799–803
Some qualitative properties of solutions of an equation of mean curvature type
V. V. Kurta
804–807
On the asymptotics of entire radial solutions of quasilinear elliptic equations
S. I. Pokhozhaev
808–813
Conditionally optimal filtering of processes in stochastic differential systems by complex statistical criteria
I. N. Sinitsyn, V. I. Shin
814–817
State and parameter estimation in discrete stochastic systems by complex statistical criteria
I. N. Sinitsyn, V. I. Shin
818–820
A condition for the regularity of a boundary point for a higher-order quasilinear elliptic equation
I. V. Skrypnik
821–824
On the concept of an elementary solution in the complex theory of differential equations
B. Yu. Sternin, V. E. Shatalov
825–829
On the reducibility of systems of first-order linear partial differential equations with identical principal parts
I. T. Tazhimuratov
830–831
On a problem in integral geometry in the plane
V. P. Khakhlyutin
832–834

CYBERNETICS AND THE REGULATION THEORY
Application of Fermat numbers in digital signal processing
A. S. Gorshkov, V. F. Kravchenko
835–838

GEOPHYSICS
Results of registration of high-frequency seismic waves generated by underground explosions on the continental traces
V. V. Adushkin, I. O. Kitov, I. P. Pasechnik, N. K. Pleskach, J. D. Sultanov
839–843
On the estimation of maximal earthquake magnitude in seismoactive regions of Central Asia alpine belt
V. V. Nikolaev
844–847

MATHEMATICAL PHYSICS
Formulas in inverse problems for second-order equations
Yu. E. Anikonov
848–850
The basis of contact conservation laws in one-dimensional gas dynamics
V. E. Shemarulin
851–855

PHYSICS
Temperature dependence of dielectric relaxation time in polymer semiconductors
N. V. Afanas'ev, L. V. Mukhaeva, M. G. Voronkov, T. G. Ermakova
856–860
Resolution in measurements employing the dielectric resonators
V. B. Braginskii, S. P. Vyatchanin
861–863

CRYSTALLOGRAPHY
The possibility of a finite crystal at zero temperature (the energy-geometric aspect)
K. E. Plokhotnikov
877–881
Crystal structure of afghanite
E. A. Pobedimskaya, R. K. Rastsvetaeva, L. E. Terenteva, A. N. Sapozhnikov
882–886

Correction to: “Nontrivial expansion of zero and representative systems of eigenvectors of a linear operator”
V. P. Gromov
 
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