Periodic solutions of the problem of the motion of the heavy rigid body around the fixed point in Kovalevskaya's case and their stability F. M. El-Sabaa OriginalPaper Pages: 215 - 223
Sur les mouvements réguliers dans le probléme des deux corps solides G. N. Doubochine OriginalPaper Pages: 267 - 284
Virial oscillations of celestial bodies V. I. FerronskyS. A. DenisikS. V. Ferronsky OriginalPaper Pages: 285 - 304
On the relation between resonance and instability in planetary systems John D. Hadjidemetriou OriginalPaper Pages: 305 - 322
