Algebra i Analiz, 1992, Volume 4, Issue 2

JOURNALS // Algebra i Analiz // Archive

1992, Volume 4, Issue 2

Expository Surveys
	Functions that deviate least from zero on closed subsets of the real axis M. L. Sodin, P. M. Yuditskii	1

Research Papers
	Decomposition of abelian torsion-free groups of finite rank into direct sums of indecomposable groups E. A. Blagoveshchenskaya	62
	Analytic quasi-analyticity and asymptotically holomorphic functions A. A. Borichev	70
	Surface potentials and the method of matching asymptotic expansions in the Helmholtz resonator problem R. R. Gadyl'shin	88
	Very ample divisors on projective bundles over curves N. P. Gushel'	116
	Factorization of noncommutative permutation matrices on an algebraic surface of nonzero genus I. Yu. Dmitrieva	129
	Reflexivity of operators: general methods and a criterion for almost isometric contractions V. V. Kapustin	141
	Finitely additive measures of virtual polyhedra A. V. Pukhlikov, A. G. Khovanskii	161
	Hurwitz inequalities for number fields A. L. Smirnov	186
	Isoperimetric inequalities for polygons and dissymetrization A. Yu. Solynin	210

	An April Fools' Day note. Little-known information about the Bessel equation V. M. Babich	235

Book Reviews
	М. S. P. Eastham. “The asymptotic solution of linear differential systems. Applications of thebevinson theorem”. Clarendon Press, Oxford, 1989, 241 p. V. M. Babich	238