Mat. Zametki, 1967, Volume 2, Issue 6

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1967, Volume 2, Issue 6

	Precise estimates for the norms of differentiable periodic functions in the $L$ metric N. P. Korneichuk	569
	Theorems on traces and on the extension of distributions B. P. Paneyakh	577
	A condition on the radical of a Banach algebra guaranteeing strong decomposability E. A. Gorin, V. Ya. Lin	589
	An interpolation theorem for linear operators P. P. Zabreiko	593
	A class of linear operators in a space of abstract continuous functions M. A. Krasnosel'skii	599
	A certain class of formally normal operators V. N. Polyakov	605
	The necessity of the algebraic parabolicity conditions of nonstationary problems M. S. Agranovich, V. V. Sukhorutchenko	615
	A distribution function whose moments are close to the moments of the normal law S. G. Maloshevskii	627
	The minimax properties of the complex analogue of the $T^2$ test N. M. Khalfina	635
	A minimal surface as the rotation graph of a sphere I. Kh. Sabitov	645
	A class of equivalent equations I. I. Tugov	657
	The length of a dead end disjunctive normal form V. V. Glagolev	665
	The large sieve in algebraic number fields A. G. Samandarov	673
	The decomposability of torsion and pretorsion in the category of right $\Lambda $-modules E. L. Gorbachuk	681
	Subcommutative $Q$-rings V. P. Elizarov	689

Doctoral theses
	Conjugate functions and trigonometric series L. V. Zhizhiashvili	695

Information
	Jubilee session of the Mathematics Division of the Academy of Sciences USSR	703