@inproceedings{inproceedings8580163c,
title   = {Dynamics of two planets in the 2:1 and 3:2 ressonances},
author = {Callegari Júnior, Nelson and Michtchenko, Tatiana Alexandrovna and Ferraz-Mello, Sylvio},
year = {2002},
publisher = {FAPEMIG},
booktitle   = {Colóquio Brasileiro de Dinâmica Orbital}
}