%0 Journal Article
%A M. M. Khapaev
%A O. P. Filatov
%T The averaging principle for systems with ``fast'' and ``slow'' variables
%J Differencialʹnye uravneniâ
%D 1983
%P 1640-1643
%V 19
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1983_19_9_a27/
%G ru
%F DE_1983_19_9_a27