Tchebykin Leonid Stepanovich

Publications in Math-Net.Ru

1. The stability of a certain nonlinear third order system
   
   Differ. Uravn., 9:6 (1973),  1151–1153
2. Synthesis and analysis of a certain fourth order control system by the phase plane method
   
   Differ. Uravn., 7:3 (1971),  453–460