Bondar Yuliya Leonidovna

Publications in Math-Net.Ru

1. Solution of the center-focus problem for a cubic system reducible to a lienard system
   
   Differ. Uravn., 42:1 (2006),  11–22
2. Variety of the center and limit cycles of a cubic system, which is reduced to lienard form
   
   Bul. Acad. Ştiinţe Repub. Mold. Mat., 2004, no. 3,  71–90