@article{10_4064_cm_83_1_21_41, author = {Xianhua Tang and Jianhua Shen}, title = {New oscillation criteria for first order nonlinear delay differential equations}, journal = {Colloquium Mathematicum}, pages = {21--41}, publisher = {mathdoc}, volume = {83}, number = {1}, year = {2000}, doi = {10.4064/cm-83-1-21-41}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-83-1-21-41/} }