%0 Journal Article %A V. P. Nozdracheva %T Perturbation of system of differential equations with a singular cone corresponding to a singular cycle with two separatrices %J Differencialʹnye uravneniâ %D 1995 %P 1584-1585 %V 31 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1995_31_9_a22/ %G ru %F DE_1995_31_9_a22