%0 Journal Article
%A V. P. Skripnik
%T Degenerate systems and a small parameter multiplying the derivative
%J Differencialʹnye uravneniâ
%D 1980
%P 454-461
%V 16
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1980_16_3_a8/
%G ru
%F DE_1980_16_3_a8