%0 Journal Article
%A A. V. Kostin
%A I. E. Vitrichenko
%T Generalization of Ljapunov's stability theorem in the case of one zero characteristic exponent for nonautonomous systems
%J Doklady Akademii Nauk
%D 1982
%P 819-822
%V 264
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1982_264_4_a11/
%G ru
%F DAN_1982_264_4_a11