%0 Journal Article
%T Seminar on Qualitative Theory of Differential Equations at Moscow State University
%J Differencialʹnye uravneniâ
%D 2001
%P 1571-1580
%V 37
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2001_37_11_a19/
%G ru
%F DE_2001_37_11_a19