Lupan Mircea

Publications in Math-Net.Ru

1. Classification of planar quadratic differential systems with center of symmetry and multiple infinite singular point
   
   Bul. Acad. Ştiinţe Repub. Mold. Mat., 2004, no. 2,  12–26
2. Classification of quadratic systems with a symmetry center and simple infinite singular points
   
   Bul. Acad. Ştiinţe Repub. Mold. Mat., 2003, no. 1,  102–119