Sibirsk. Mat. Zh., 1980, Volume 21, Number 3

JOURNALS // Sibirskii Matematicheskii Zhurnal // Archive

1980, Volume 21, Number 3

	On the fiftieth birthday of S. K. Godunov, corresponding member of the Academy of Sciences of the USSR	3
	Minimal varieties of generalized semigroups, groups and rings V. A. Artamonov	6
	Reducibility via Zhegalkin's linear tables V. K. Bulitko	23
	Effectively calculable parameter of stability quality of systems of linear differential equations with constant coefficients A. Ya. Bulgakov	32
	Application of L. S. Pontrjagin's maximum principle to the solution of extremal problems in a class of functions with bounded mean modulus V. P. Vazhdaev	42
	Varieties and triangular products of projective representations of groups S. M. Vovsi	56
	Asymptotic behavior of the logarithmic derivative of an entire function of completely regular growth A. A. Gol'dberg, N. E. Korenkov	63
	Isotone mappings of disconnectedly ordered Euclidean space A. K. Guts	80
	A category of partial recursive functions A. N. Degtev	89
	Expansions connected with the products of the solutions of two regular Sturm–Liouville problems K. P. Kirchev, E. Kh. Khristov	98
	Finite groups with primary-normalizer condition V. A. Kreknin, V. V. Tsybulenko	110
	$\varepsilon$-subdifferentials and $\varepsilon$-optimality S. S. Kutateladze	120
	Inner characterisation of some classes of support sets V. A. Levashov	131
	A new family of conformally invariant metrizable bicompact extensions of a plane domain Yu. V. Pomel'nikov, G. D. Suvorov	144
	Polynomial approximations and modulus of continuity of functions in domains with quasiconformal boundaries P. M. Tamrazov, V. I. Belyi	162
	Quasiprojective modules A. A. Tuganbaev	177
	Equivalent normings in spaces of functions with fractional or functional smoothness T. O. Shaposhnikova	184
	The growth in an angle of entire functions represented by lacunary series M. N. Sheremeta	197
	Averaging of an elliptic boundary value problem with random coefficients V. V. Yurinskii	209

Notes department
	An example of a universal Riemann surface containing as subdomains any compact surfaces with an edge P. P. Belinskii	224
	A class of singular integral equations M. M. Lavrent'ev	225
	Nilpotency of the associator ideal of a $(\gamma,\delta)$-ring A. S. Markovichev	228
	A property of spaces of continuous functions on segments of ordinals V. P. Fonf	230
	Some characteristic properties of the ellipsoid A. V. Shaidenko	232