%0 Journal Article %A Kh. Zholondek %T Bifurcations of a family of vector fields on the plane that touch the coordinate axes %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1986 %P 169-170 %V 41 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1986_41_5_a28/ %G en %F RM_1986_41_5_a28