%0 Journal Article
%T Seminar on Qualitative Theory of Differential Equations at Moscow State University
%J Differencialʹnye uravneniâ
%D 2001
%P 847-860
%V 37
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2001_37_6_a18/
%G ru
%F DE_2001_37_6_a18