Dokl. Akad. Nauk SSSR, 1983, Volume 269, Number 6

JOURNALS // Doklady Akademii Nauk // Archive

1983, Volume 269, Number 6

MATHEMATICS
	Topological properties of function spaces: Duality theorems A. V. Arkhangel'skii	1289
	On the existence of a solution of a boundary value problem for the equation $u_t-Lu=uBu+f$ N. Ya. Beznoshchenko	1292
	On asymptotic properties of solutions of a mixed problem for a nonlinear heat equation A. A. Belolipetskii, A. M. Ter-Krikorov	1296
	Construction of a minimal complete system of orthogonal invariants for a two-dimensional system of differential equations N. I. Vulpe	1299
	On invertibility in $L_2(R)$ of singular integral operators with periodic coefficients and a shift S. M. Grudskii, A. B. Khevelev	1303
	On some approximation properties of Cesaro means of Fourier series L. V. Zhizhiashvili	1307
	Final probabilities for a random branching process with interaction of particles A. V. Kalinkin	1309
	An inverse problem of geometric optics M. M. Lavrent'ev, V. S. Ladyzhets	1313
	Positive forms of degree $2l>2$ and zeta-separating quadratic forms S. S. Ryshkov, S. Sh. Shushbaev	1316
	Properties of the moduli of analytic functions that are smooth up to the boundary N. A. Shirokov	1320

CYBERNETICS AND THE REGULATION THEORY
	On a class of systems absolutely stable in the Hurwitz angle M. I. Gil'	1324

MECHANICS
	Generalization of Gauss's principle to nonholonomic systems of higher orders N. N. Polyakhov, S. A. Zegzhda, M. P. Yushkov	1328

FLUID MECHANICS
	Solution of the problem of the flow around a permeable plate with separation of jets V. A. Buchin	1331
	Calculation of steady turbulent flow of an electrically conducting fluid in a channel in a transverse magnetic field V. V. Novozhilov, A. V. Volkova	1336

PHYSICS
	Two-well critical potentials-typical non-one-well atom potentials in amorphous systems F. N. Ignat'ev, V. G. Karpov, M. I. Klinger	1341
	Possible role of axial photons in the solar neutrino flux weakening L. M. Slad	1345
	Coulomb excitation of atom by an molecular cluster G. L. Yudin	1350