TY  - JOUR
AU  - N. I. Vulpe
TI  - A minimal polynomial base of the affine invariants of a quadratic system
JO  - Differencialʹnye uravneniâ
PY  - 1975
SP  - 918
EP  - 920
VL  - 11
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1975_11_5_a16/
LA  - ru
ID  - DE_1975_11_5_a16
ER  -