Sibirsk. Mat. Zh., 1980, Volume 21, Number 1

JOURNALS // Sibirskii Matematicheskii Zhurnal // Archive

1980, Volume 21, Number 1

	К двадцатилетию “Сибирского математического журнала” Сибирского отделения АН СССР	3
	Functions that conformally map the strip into itself I. A. Aleksandrov, B. G. Tsvetkov	4
	S. P. Novikov's algebraic spectral sequence for the spectrum $MSp$ V. V. Vershinin	26
	Totally transcendental theory with non-constructivizable prime model S. S. Goncharov	44
	Direct and special subdirect products of rings with division and rings without zero divisors R. Gonchigdorzh	52
	A boundary value problem for equations of vector flows in the ocean Yu. I. Zagorodnikov, A. G. Zarubin	63
	Wave fronts of solutions of boundary value problems for symmetric hyperbolic systems. III. Systems with characteristics of variable multiplicity V. Ya. Ivrii	74
	Boundary behavior of quasiisometric mappings A. P. Karmazin	82
	Transformation operators and pseudodifferential operators V. V. Katrakhov	86
	Some properties of integral and partially integral operators in $L_2$ V. B. Korotkov	98
	On axiomatics of volume in elementary geometry O. M. Kosheleva	106
	New a priori estimates of the solutions of a two-point boundary value problem and their applications A. M. Krasnosel'skii	115
	Equivalence of homology theories on categories of bicompacta V. I. Kuz'minov	125
	The Krein–Mil'man theorem and its converse S. S. Kutateladze	130
	Sublinear operators defined on cones of finite dimensional spaces Yu. E. Linke	139
	Operators with homogeneous kernels Ya. B. Rutitskii	153
	Cesàro summability of series with respect to periodic multiplicative orthonormal systems G. S. Survillo	161
	Imbedding of semigroups into groups and potential invertibility È. G. Shutov	168
	Endomorphisms of free algebras A. V. Yagzhev	181
	On the algorithmic problem of recognizing automorphisms among endomorphisms of free associative algebras of finite rank A. V. Yagzhev	193

Notes department
	On a conjecture of Alperin B. M. Veretennikov	200
	An algebraic spectral sequence V. P. Golubyatnikov	202
	The number of linearly independent solutions of a boundary value problem with shifts which are not one-to-one B. A. Kats	207
	Estimate of integral means in the class $S(\alpha)$ V. I. Kamotskii	211
	Solution of the Cauchy–Goursat problem for a second-order equation with two lines of degeneracy I. A. Makarov	215
	Lattice operators in $L_p$ spaces A. S. Romanov	220
	Regularization of equations with accretive operators by the method of successive approximations I. P. Ryazantseva	223
	Approximate solutions of an equation of Hammerstein type A. A. Fonarev	226
	Decidability of the universal theory of a free semigroup A. D. Taimanov, Yu. I. Khmelevskii	228

Abstracts of the Articles Submitted to VINITI
	Аннотации статей, депонированных в ВИНИТИ	231