This is a review article on the general motion of N-rigid bodies. The development of analytical qualitative methods in the study of the rigid-body motion are presented in a systematic way starting from early researches of ...

This is a review article on the N-body problem. The development of the qualitative methods regarding the various topics of Celestial Mechanics are presented in a systematic way starting from the early researches of the ...

The non-linear oscillations of a satellite in an elliptic orbit around the earth under the influence of the solar radiation pressure have been studied in a series of papers 1 and 2. In paper 1, by using Melnikov's method ...