@article{05726170,
title = {Uniqueness of periodic solution for a class of Li\'enard },
journal = {Advances in Difference Equations [electronic only]},
volume = {2010},
year = {2010},
doi = {10.1155/2010/235749},
zbl = {1205.34041},
language = {en},
url = {http://dml.mathdoc.fr/item/05726170}
}
Cao, Fengjuan; Han, Zhenlai; Zhao, Ping; Sun, Shurong. Uniqueness of periodic solution for a class of Liénard . Advances in Difference Equations [electronic only], Tome 2010 (2010) . doi : 10.1155/2010/235749. http://gdmltest.u-ga.fr/item/05726170/