%0 Journal Article
%A A. V. Makhorkin
%T Bifurcation of the periodic solution of a completely integrable Pfaffian system
%J Differencialʹnye uravneniâ
%D 1987
%P 1084-1086
%V 23
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1987_23_6_a21/
%G ru
%F DE_1987_23_6_a21