TY - JOUR AU - Dimitru Cozma TI - Center problem for a~class of cubic systems with a~bundle of two invariant straight lines and one invariant conic JO - Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica PY - 2010 SP - 51 EP - 66 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/BASM_2010_3_a6/ LA - en ID - BASM_2010_3_a6 ER -