%0 Journal Article
%A N. P. Korneichuk
%T Certain relations between the approximative characteristics of classes of periodic functions
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1975
%P 115-123
%V 134
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1975_134_a8/
%G ru
%F TM_1975_134_a8