%0 Journal Article
%A Yu. V. Malyshev
%T Generalized Ljapunov functions, and the theory of exceptional directions
%J Differencialʹnye uravneniâ
%D 1973
%P 1774-1779
%V 9
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_10_a3/
%G ru
%F DE_1973_9_10_a3