@article{05237443, title = {Oscillation criteria for second-order delay dynamic equations on time scales.}, journal = {Advances in Difference Equations [electronic only]}, volume = {2007}, year = {2007}, doi = {10.1155/2007/70730}, zbl = {1147.39002}, language = {en}, url = {http://dml.mathdoc.fr/item/05237443} }
Han, Zhenlai; Shi, Bao; Sun, Shurong. Oscillation criteria for second-order delay dynamic equations on time scales.. Advances in Difference Equations [electronic only], Tome 2007 (2007) . doi : 10.1155/2007/70730. http://gdmltest.u-ga.fr/item/05237443/