%0 Journal Article
%A S. G. Kryzhevich
%T A Criterion for Conditional Instability by the First Approximation for Solutions of Differential Systems
%J Differencialʹnye uravneniâ
%D 2005
%P 1605-1614
%V 41
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2005_41_12_a3/
%G ru
%F DE_2005_41_12_a3