%0 Journal Article
%A N. A. Strelkov
%T On approximations of certain function spaces and their applications
%J Doklady Akademii Nauk
%D 1973
%P 565-568
%V 209
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1973_209_3_a12/
%G ru
%F DAN_1973_209_3_a12