@article{GDZPPN002227789,
title = {Remarks on dynamical systems with weak forces.},
journal = {Manuscripta mathematica},
volume = {55},
year = {1986},
pages = {417-424},
zbl = {0606.58039},
url = {http://dml.mathdoc.fr/item/GDZPPN002227789}
}
Coti Zelati, Vittorio. Remarks on dynamical systems with weak forces.. Manuscripta mathematica, Tome 55 (1986) pp. 417-424. http://gdmltest.u-ga.fr/item/GDZPPN002227789/