%0 Journal Article
%A A. A. Martynyuk
%T On a theorem of the type of Bogolyubov's first averaging theorem
%J Doklady Akademii Nauk
%D 1978
%P 279-281
%V 241
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1978_241_2_a4/
%G ru
%F DAN_1978_241_2_a4