The motion of a symmetric gyrostat around the center of mass in a circular orbit in the presence of viscoelastic bars and disc S. A. El-HafiezM. E. Fares OriginalPaper 01 June 1991 Pages: 107 - 118
The generalized hill problem. Case of an external field of force deriving from a central potential B. Chauvineau OriginalPaper 01 June 1991 Pages: 119 - 129
Secular resonances in the asteroid belt: Theoretical perturbation approach and the problem of their location Alessandro MorbidelliJacques Henrard OriginalPaper 01 June 1991 Pages: 131 - 167
The main secular resonances ν6, vs and ν16 in the asteroid belt Alessandro MorbidelliJacques Henrard OriginalPaper 01 June 1991 Pages: 169 - 197
The use of the "spacekap" style file for delivering manuscripts in LATEX Legacy 01 June 1991 Pages: 199 - 200