Mat. Zametki, 1968, Volume 4, Issue 3

JOURNALS // Matematicheskie Zametki // Archive

1968, Volume 4, Issue 3

	Convergence and divergence systems V. F. Gaposhkin		253
	Some estimates of the rate of summability of orthogonal series by linear means A. V. Efimov		261
	A generalization of a theorem of M. Riesz to the case of functions of several variables L. V. Zhizhiashvili		269
	On a property of $N$-functions D. V. Salekhov		281
	Approximation of differentiable functions by partial sums of their Fourier series S. A. Telyakovskii		291
	Sufficient conditions that the minimum and maximum of partial differential operators should coincide and that their spectra should be discrete M. G. Gimadislamov		301
	The convergence of a new iteration process for the solution of nonlinear functional equations in Banach space D. K. Lika		313
	Nonsymmetrical distance between probability distributions, entropy and the theorem of Pythagoras N. N. Chentsov		323
	On zeta functions of fields of algebraic numbers B. Z. Moroz		333
	On a certain class of transcendental numbers A. A. Shmelev		341
	On subgroups of Demushkin groups I. V. Andozhskii		349
	Isomorphisms of free decompositions of $\Gamma$-operator groups with a regular group of operators $\Gamma$ V. A. Artamonov		355
	On the existence of stably nilpotent subgroups in locally nilpotent groups D. I. Zaitsev		361
	On minimal universal trees M. K. Gol'dberg, É. M. Livshits		371