On the modulus of continuity of the operator of best approximation in the space of continuous functions P. V. Galkin OriginalPaper Pages: 790 - 798
Best one-sided approximation of certain classes of functions V. G. Doronin OriginalPaper Pages: 799 - 806
Relation between approximations in the mean for analytic and for harmonic functions F. S. Lisin OriginalPaper Pages: 807 - 811
Asymptotic estimates of integral functions defined by canonical products P. G. Yurov OriginalPaper Pages: 816 - 820
Constructing block designs of elements or residue rings with a composite modulus B. T. Rumov OriginalPaper Pages: 821 - 826
On the structure of finite commutative rings with an identity A. A. Nechaev OriginalPaper Pages: 840 - 845
