@article{00038591, title = {Oscillation criteria in neutral equations of }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {14}, year = {1991}, pages = {689-696}, doi = {10.1155/S0161171291000923}, zbl = {0748.34043}, language = {en}, url = {http://dml.mathdoc.fr/item/00038591} }
Georgiou, D.A.; Qian, C. Oscillation criteria in neutral equations of . International Journal of Mathematics and Mathematical Sciences, Tome 14 (1991) pp. 689-696. doi : 10.1155/S0161171291000923. http://gdmltest.u-ga.fr/item/00038591/