%0 Journal Article %A B. A. Khesin %T Bifurcation of singular points of gradient dynamical systems %J Funkcionalʹnyj analiz i ego priloženiâ %D 1986 %P 94-95 %V 20 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1986_20_3_a14/ %G ru %F FAA_1986_20_3_a14