%0 Journal Article
%A V. I. Bulgakov
%A A. A. Grin'
%T On a bifurcation of a non-rough focus of a third-order autonomous system
%J Differencialʹnye uravneniâ
%D 1996
%P 1703
%V 32
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1996_32_12_a16/
%G ru
%F DE_1996_32_12_a16