%0 Journal Article %A V. A. Trenogin %A N. A. Sidorov %A B. V. Loginov %T The bifurcation equation: potentiality, bifurcation, symmetry %J Doklady Akademii Nauk %D 1989 %P 286-289 %V 309 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_309_2_a6/ %G ru %F DAN_1989_309_2_a6