Cozma Dimitru

Публикации в базе данных Math-Net.Ru

1. Integrability conditions for a class of cubic differential systems with a bundle of two invariant straight lines and one invariant cubic
   
   Bul. Acad. Ştiinţe Repub. Mold. Mat., 2018, № 1,  120–138
2. Center problem for cubic systems with a bundle of two invariant straight lines and one invariant conic
   
   Bul. Acad. Ştiinţe Repub. Mold. Mat., 2012, № 1,  32–49
3. Center problem for a class of cubic systems with a bundle of two invariant straight lines and one invariant conic
   
   Bul. Acad. Ştiinţe Repub. Mold. Mat., 2010, № 3,  51–66