1. Resonance rotation of celestial bodies and Cassihi's laws;Beletskii;Celest. Mech.,1972
2. Magneto-gravitational stabilization of a satellite;Beletskii,1973
3. Synchronization of Dynamic Systems;Blekhman,1971
4. The asymptotic approximation method for systems with rotating phase and its application to the motion of a charged particle in a magnetic field;Bogoliubov;Ukrain. Matem. Zh.,1955
5. Asymptotic Methods in the Theory of Nonlinear Oscillations;Bogoliubov,1962