%0 Journal Article
%A V. I. Bulgakov
%T The phase portrait of a third-order autonomous system
%J Differencialʹnye uravneniâ
%D 1988
%P 1821-1822
%V 24
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1988_24_10_a21/
%G ru
%F DE_1988_24_10_a21