TY - JOUR AU - Gheorghe Tigan TI - On a~family of Hamiltonian cubic planar differential systems JO - Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica PY - 2006 SP - 75 EP - 86 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/BASM_2006_2_a8/ LA - en ID - BASM_2006_2_a8 ER -