TY  - JOUR
AU  - R. I. Bogdanov
TI  - Degree of degeneracy of a singular point of a vector field on the plane
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1978
SP  - 70
EP  - 71
VL  - 12
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1978_12_3_a10/
LA  - ru
ID  - FAA_1978_12_3_a10
ER  -