Sibirsk. Mat. Zh., 1997, Volume 38, Number 6

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1997, Volume 38, Number 6

	On stability with respect to a nonlinear approximation A. Yu. Aleksandrov		1203
	Interpolation of positive polylinear operators in Calderón–Lozanovskii spaces S. V. Astashkin		1211
	On Frobenius groups V. V. Bludov		1219
	A boundary value problem for a class of nonlinear degenerate parabolic equations O. V. Gorevchuk		1222
	Associative algebras with one Engel-type relation V. S. Guba		1240
	The Cauchy problem for pseudoparabolic systems G. V. Demidenko		1251
	The energy method for three-dimensional elliptic equations with nonsymmetric tensor coefficients V. V. Denisenko		1267
	Harmonic analysis in Schwartz spaces of distributions and some applications to nonclassical problems of mathematical physics Yu. V. Zasorin		1282
	On the normal solvability of the exterior differentiation operator on a surface of revolution Ya. A. Kopylov		1300
	On the surjectivity of a convolution operator in spaces of analytic functions Yu. F. Korobeinik		1308
	On the holomorphic continuation of $CR$-hyperfunctions into a fixed domain A. M. Kytmanov, I. A. Tsikh		1319
	Solvability of second-order quasilinear parabolic equations with double degeneration G. I. Laptev		1335
	A Lorentzian manifold with a group of conformal transformations that contains a normal one-parameter subgroup of homotheties M. N. Podoksenov		1356
	Deficiency indices of a system of first-order differential equations L. A. Sakhnovich		1360
	Gakhov expansion of pseudodifferential operators with a degenerate symbol E. V. Semenko		1362
	Groups with a layer-finite periodic part V. I. Senashov		1374
	Fractal lines and quasiconformal mappings D. A. Trotsenko		1387
	Local anisotropic Hölder estimates for solutions of an equation of quasi-elliptic type P. S. Filatov		1397
	Effectively completely decomposable Abelian groups N. G. Khisamiev, A. A. Krykpaeva		1410
	Comparison of the dimensions of a small category A. A. Khusainov		1413
	On a generalization of the Hughes subgroup E. I. Khukhro		1427