1. Topological dynamics of ordinary equations;Artstein;J. Different Equat.,1977
2. Problems of stabilization of controlled motion;Krasovskii,1966
3. Stability Theory by Lyapunov's Direct Method;Rouche,1977
4. Asymptotic stability and instability of the null solution of a non-autonomous system;Andreyev;Prikl. Mat. Mekh.,1984
5. The optimal stabilization of motions of controlled mechanical systems;Andreyev,1985