Livartovskii I V

Publications in Math-Net.Ru

1. On the stability of discontinuous systems with almost reducible linear approximations
   
   Differ. Uravn., 1:9 (1965),  1131–1139
2. A generalization of the second method of Lyapunov
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1964, no. 1,  87–95