@article{05832651, title = {Li\'enard type }, journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]}, volume = {2010}, year = {2010}, zbl = {1209.34083}, language = {en}, url = {http://dml.mathdoc.fr/item/05832651} }
Anane, Aomar; Chakrone, Omar; Moutaouekkil, Loubna. Liénard type . Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2010 (2010) . http://gdmltest.u-ga.fr/item/05832651/