Mat. Zametki, 1979, Volume 25, Issue 5

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1979, Volume 25, Issue 5

	Aleksei Vasil'evich Pogorelov (photo)
	Aleksei Vasil'evich Pogorelov (on the occasion of his sixtieth anniversary)	644
	Transformations of fourier coefficients of certain classes of functions E. Alshynbaeva	645
	Chebyshev sets and strong convexity of metric linear spaces A. I. Vasil'ev	653
	Basis criterion for a system of functions Yu. F. Korobeinik	665
	Radii of starlikeness and convexity in certain classes of analytic functions in the disk M. F. Kotsur	675
	Convergence of cubic interpolation splines to a continuous function Al. A. Privalov	681
	Theorem on the local invertibility of differentiable maps of certain topological modules G. I. Kurapin	701
	Approximation of the spectrum of an elliptic operator with almost-periodic coefficients A. V. Marchenko	713
	Change of time in special flows A. T. Tagi-zade	725
	Distance to the nearest common ancestor in bellman-harris branching processes V. A. Vatutin	733
	Unbiased parametric estimate of probability distribution L. B. Klebanov	743
	A case of limit distribution of the maximal volume on a tree in a random forest Yu. L. Pavlov	751

Doctoral theses
	Convolution equations in multidimensional spaces V. V. Napalkov	761
	Free alternative algebras I. P. Shestakov	775
	Isometric imbedding in $E^3$ of noncompact domains of nonpositive curvature E. V. Shikin	785