%0 Journal Article
%A T. V. Usacheva
%T Stability of characteristics of diagonal systems of differential equations
%J Differencialʹnye uravneniâ
%D 1983
%P 909-911
%V 19
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1983_19_5_a20/
%G ru
%F DE_1983_19_5_a20