Mat. Zametki, 1972, Volume 11, Issue 4

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1972, Volume 11, Issue 4

	Interpolational problem of Abel Yu. A. Kaz'min	353
	On the best approximation in the mean of continuous functions by polynomials, which are majorized by a given function V. A. Kaminskii	365
	On the definition of purity of modules A. I. Generalov	375
	On the class number of exact ideals for $Z$-rings in a commutative $Q$-algebra I. A. Levina	381
	On the structure of subgroups of a nilpotent nonperiodic group A. S. Pekelis	389
	Weights of modular representations A. N. Rudakov	397
	Isomorphism conditions for completely decomposable torsion-free abelian groups with isomorphic rings of endomorphisms A. M. Sebel'din	403
	On coercive solvability of parabolic equations V. P. Anosov, P. E. Sobolevskii	409
	Bilateral difference method for solving the boundary value problem for an ordinary differential equation E. A. Volkov	421
	On the exactness of a theorem of Mazur and Orlicz N. A. Davydov	431
	Spectral function of Marchenko type for a difference operator of an even order Yu. L. Kishakevich	437
	Nonlinear $(n-1)^p$-connections in metric Cartan spaces of higher order L. E. Evtushik	447
	On some conditions on mappings of spaces onto cylindrical domains V. A. Zorich, V. S. Samovol	459
	Hall varieites of semigroups L. A. Skornyakov	463

Letter to editor
	Letter to the editor V. I. Chaadaev	471