@article{05791629, title = {New oscillation criteria for second-order neutral delay differential equations with positive and negative coefficients.}, journal = {Abstract and Applied Analysis}, volume = {2010}, year = {2010}, doi = {10.1155/2010/564068}, zbl = {1205.34078}, language = {en}, url = {http://dml.mathdoc.fr/item/05791629} }
Bai, Yuzhen; Liu, Lihua. New oscillation criteria for second-order neutral delay differential equations with positive and negative coefficients.. Abstract and Applied Analysis, Tome 2010 (2010) . doi : 10.1155/2010/564068. http://gdmltest.u-ga.fr/item/05791629/