On an analytical solution of the optimum trajectory problem in a gravitational field A. G. AzizovN. A. Korshunova OriginalPaper Pages: 297 - 306
The reducing transformation and Apocentric Librators J. HenrardA. LemaitreC. D. Murray OriginalPaper Pages: 335 - 344
On the minimum distance between two Keplerian orbits with a common focus P. A. DybczyĆskiT. J. JopekR. A. Serafin OriginalPaper Pages: 345 - 356
Solution of the three-dimensional inverse problem George BozisAtef Nakhla OriginalPaper Pages: 357 - 375
On quasi-integrable problems. The example of the artificial satellites perturbed by the Earth's zonal harmonics C. Marchal OriginalPaper Pages: 377 - 387