%0 Journal Article %A V. S. Medvedev %T On the bifurcation of the separatrix connecting two equilibrium states %J Differencialʹnye uravneniâ %D 1989 %P 332-335 %V 25 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1989_25_2_a24/ %G ru %F DE_1989_25_2_a24