Optimal station keeping by electric propulsion with thrust operation constraints M. C. Eckstein OriginalPaper Pages: 129 - 147
Stationary solutions in simplified resonance cases of the restricted three-body problem Reinhold Bien OriginalPaper Pages: 157 - 161
Resolution methods of perturbed differential equations, using tools of differential geometry Michel Rapaport OriginalPaper Pages: 177 - 182
Analytical theory of earth's artificial satellites (A.T.E.A.S.) H. Claes OriginalPaper Pages: 193 - 198
On an example of impossibility to build a canonical transformation when the eigenvalues are zero J. Roels OriginalPaper Pages: 203 - 211
Towards a rigorous justification of the Stiefel-Baumgarte stabilization method Urs Kirchgraber OriginalPaper Pages: 225 - 236
Johann Heinrich Lambert and the determination of orbits for planets and comets O. Volk OriginalPaper Pages: 237 - 250