%0 Journal Article %A V. V. Tikhomirov %T The approximation of functions with a~given rate of convergence %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1976 %P 113-115 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1976_10_a20/ %G ru %F IVM_1976_10_a20