%0 Journal Article
%A A. G. Baskakov
%T The averaging method in the theory of perturbations of linear differential operators
%J Differencialʹnye uravneniâ
%D 1985
%P 555-562
%V 21
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1985_21_4_a0/
%G ru
%F DE_1985_21_4_a0