%0 Journal Article
%A N. P. Korneichuk
%T Certain relations between the approximative characteristics of classes of periodic functions
%J Informatics and Automation
%D 1975
%P 115-123
%V 134
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1975_134_a8/
%G ru
%F TRSPY_1975_134_a8