TY  - JOUR
AU  - B. A. Khesin
TI  - Homogeneous vector fields and Whitney umbrellas
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1987
SP  - 171
EP  - 172
VL  - 42
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1987_42_5_a11/
LA  - en
ID  - RM_1987_42_5_a11
ER  -