Sadovnikov E G

Publications in Math-Net.Ru

1. A certain modification of Šilov's method
   
   Differ. Uravn., 9:11 (1973),  2097–2098
2. A certain criterion for the absence of limit cycles
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1972, no. 9,  95–98