1. Regular motions of a body in the gravity field of a sphere;Abul'naga;Astron. Zh.,1979
2. Cours de Mécanique Céleste, vol. 1;Andoyer,1923
3. Mutual gravitational potential and torque of solid bodies via inertia integrals;Ashenberg;Celest. Mech. Dynam. Astron.,2007
4. Mutual gravitational potential of N solid bodies;Borderies;Celest. Mech. Dynam. Astron.,1978
5. Dynamics of the Rigid Body;Borisov,2005