@article{05627617, title = {Oscillation criteria for a class of second-order nonlinear differential equations with damping term.}, journal = {Abstract and Applied Analysis}, volume = {2009}, year = {2009}, doi = {10.1155/2009/897058}, zbl = {1181.34044}, language = {en}, url = {http://dml.mathdoc.fr/item/05627617} }
Ouyang, Zigen; Zhong, Jichao; Zou, Shuliang. Oscillation criteria for a class of second-order nonlinear differential equations with damping term.. Abstract and Applied Analysis, Tome 2009 (2009) . doi : 10.1155/2009/897058. http://gdmltest.u-ga.fr/item/05627617/