Kononova Ol'ga Antonovna

Publications in Math-Net.Ru

1. The limit cycles of a certain system of nonlinear oscillations
   
   Differ. Uravn., 6:8 (1970),  1514–1515
2. A certain equation of nonlinear vibrations
   
   Differ. Uravn., 4:6 (1968),  1043–1054