%0 Journal Article %A L. A. Belyakov %T Bifurcation of systems with homoclinic curve of a saddle-focus with saddle quantity zero %J Matematičeskie zametki %D 1984 %P 681-689 %V 36 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1984_36_5_a5/ %G ru %F MZM_1984_36_5_a5