%0 Journal Article %A V. I. Luk'yanov %T Bifurcations of dynamical systems with ``saddle-node'' separatrix loops %J Differencialʹnye uravneniâ %D 1982 %P 1493-1506 %V 18 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_9_a2/ %G ru %F DE_1982_18_9_a2