TY  - JOUR
AU  - Mircea Lupan
AU  - Nicolae Vulpe
TI  - Classification of quadratic systems with a~symmetry center and simple infinite singular points
JO  - Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
PY  - 2003
SP  - 102
EP  - 119
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/BASM_2003_1_a10/
LA  - en
ID  - BASM_2003_1_a10
ER  -