1. Thickness of Saturn's rings from observations in 1966;Borrov;Astron. Zh.,1972
2. Systems of colliding bodies in a gravitational field. I. Numerical simulation of the standard model;Brahic;Astron. Astrophys.,1977
3. Principles of Stellar Dynamics;Chandrasekhar,1960
4. Rediscussion of Maxwell's Adams prize essay on the stability of Saturn's rings;Cook;Astron. J.,1964