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JOURNALS // Doklady Akademii Nauk // Archive

1996, Volume 351, Number 3


MATHEMATICS
On the interrelations between metric and curvature in Riemannian space
G. G. Gadzhisalikhoglu, A. Kh. Amirov
295
Asymptotics of the spectrum of a quadratic pencil of differential operators
O. G. Gaidamak, Ya. T. Sultanaev
297
Linear manifolds of solutions of an asymmetric matrix Riccati equation
P. B. Gusyatnikov, V. V. Krylova
299
On composition series in algebras of pseudodifferential operators
B. A. Plamenevskii, V. N. Senichkin
301
Invertibility and observability of evolution systems
I. F. Sivergina
304
On the solvability of multidimensional Fuchsian equations in classes of resurgent functions
B. Yu. Sternin, V. E. Shatalov
309
Some estimates for the complete and partial integral modulus of continuity of a function of several variables
T. Sh. Tevzadze
313
Linear equations of Sobolev type with relatively $p$-radial operators
V. E. Fedorov
316

CONTROL THEORY
Control with adaptation to random perturbations
S. V. Shil'man
319

PHYSICS
On small-amplitude waves in a nonhomogeneous moving medium
O. A. Godin
322

MECHANICS
Equilibrium states in the gauge theory of elasticity
M. A. Guzev
326
Interaction of a shock wave with an aeroelastic parachute
Yu. M. Davydov, V. A. Tuturin
329
Phase asymptotic stability of an omega-limit set of Lagrange-stable motion of a nonlinear time-independent dynamical system
O. V. Dunaeva, A. A. Shestakov
332
Magnetohydrodynamics of rotating vortex rings of magnetized plasma
B. I. Rabinovich
335
Supersonic flow over bodies control by using a powerful optical pulsating discharge
P. K. Tret'yakov, A. F. Garanin, G. N. Grachev, V. L. Krainev, A. G. Ponomarenko, V. N. Tishchenko, V. I. Yakovlev
339

GEOPHYSICS
Nonlinear seismic waves in the fissured zone of galit
S. K. Daragan, E. I. Luke, V. N. Nikolaevskii
393

Erratum: "On the problem $\mathrm{P}=?NP$"
V. G. Naidenko


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