TY  - JOUR
AU  - Kh. Zholondek
TI  - Bifurcations of a family of vector fields on the plane that touch the coordinate axes
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1986
SP  - 169
EP  - 170
VL  - 41
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1986_41_5_a28/
LA  - en
ID  - RM_1986_41_5_a28
ER  -