@article{article7c6ffaaf,
title   = {Dynamics in the exterior 2 : 3 resonance with Neptune},
author = {Gallardo, T and Ferraz-Mello, Sylvio},
year = {1998},
doi = {10.1016/s0032-0633(98)00027-0},
journal   = {Planetary and Space Science}
}