1. The general problem of the stability of motion;Lyapunov,1950
2. On the stability of motion with respect to some of the variables;Rumyantsev;Vestn. MGU,1957
3. The method of Lyapunov functions in the problem of the stability of motion with respect to some of the variables;Oziraner;PMM,1972
4. Some problems of the theory of the stability of motion;Krasovskii,1959
5. Liapunov's second method applied to partial stability;Peiffer;J. Meć.,1969