@article{10_4064_ap_57_3_219_229, author = {N. Parhi and P. Das}, title = {Oscillation criteria for a class of nonlinear differential equations of third order}, journal = {Annales Polonici Mathematici}, pages = {219--229}, publisher = {mathdoc}, volume = {57}, number = {3}, year = {1992}, doi = {10.4064/ap-57-3-219-229}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-57-3-219-229/} }