TY  - JOUR
AU  - V. I. Danilyuk
AU  - K. S. Sibirskii
TI  - Syzygies between centroaffine invariants of a quadratic differential system
JO  - Differencialʹnye uravneniâ
PY  - 1981
SP  - 210
EP  - 219
VL  - 17
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1981_17_2_a1/
LA  - ru
ID  - DE_1981_17_2_a1
ER  -