Izv. Vyssh. Uchebn. Zaved. Mat., 1990, Number 10

JOURNALS // Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika // Archive

1990, Number 10

	Modular invariance, self-dual lattices in heterotic string theory in $D\le 10$ S. V. Ketov	3
	Variational problems for rotation functionals, and spin-mappings of pseudo-Riemannian spaces S. G. Leiko	9
	Conditions for the solvability of abstract boundary value problems I. V. Mel'nikova	17
	A mixed inverse boundary value problem on Riemann surfaces S. R. Nasyrov	25
	Some applications of the strong law of large numbers in the theory of functions. I B. V. Pannikov	36
	Potential saddle points in ordered sets V. V. Rozen	44
	The Radon transform in Hemming spaces V. G. Chernov	50

Brief communications
	An a priori estimate for the solution of boundary value problems for a second-order elliptic equation in domains with edges L. A. Bagirov, P. A. Myshkis	56
	$\mathfrak C$-closure in locally convex spaces and a closed graph theorem M. M. Bunyaev	58
	Some projection methods for solving singular integro-differential equations in the exceptional case E. E. Vitrichenko, G. V. Drekova	61
	Convergence of weighted sums of random elements in spaces of type $p$ A. I. Volodin	65
	The closure of the set of compactly supported vector-valued functions in generalized Sobolev spaces V. S. Klimov	67
	Approximation of continuous functions by linear combinations of modified Mirak'yan operators N. I. Merlina	69
	On the geometry of a tangent bundle of the locally conic space V. I. Panzhenskij	71
	$P$-stretched spaces G. S. Tyugashov	74