%0 Journal Article
%A Yu. A. Mitropol'skii
%A V. L. Kulik
%T Invariant manifolds of autonomous differential equations, and sign-variable Lyapunov functions
%J Differencialʹnye uravneniâ
%D 1992
%P 398-405
%V 28
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1992_28_3_a4/
%G ru
%F DE_1992_28_3_a4