@misc{misc0e7cda9c,
title   = {Secular behavior of a pair of coplanar planets},
author = {Michtchenko, Tatiana Alexandrovna and Ferraz-Mello, Sylvio},
year = {2010},
publisher = {American Institute of Physics},
booktitle   = {Mathematics and astronomy :a joint long journey ; proceedings of the international conference}
}