%0 Journal Article
%A L. Sili
%T Intermediate stability in the first approximation under certain perturbations
%J Differencialʹnye uravneniâ
%D 1985
%P 240-245
%V 21
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1985_21_2_a6/
%G ru
%F DE_1985_21_2_a6