%0 Journal Article
%A G. S. Krechetov
%T Perturbations that preserve the property of stability
%J Differencialʹnye uravneniâ
%D 1972
%P 2090-2092
%V 8
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1972_8_11_a23/
%G ru
%F DE_1972_8_11_a23