@article{10_21136_CMJ_1991_102496, author = {Parhi, N. and Das, P. C.}, title = {On the zeros of solutions of nonhomogeneous third order differential equations}, journal = {Czechoslovak Mathematical Journal}, pages = {641--652}, year = {1991}, volume = {41}, number = {4}, doi = {10.21136/CMJ.1991.102496}, mrnumber = {1134954}, zbl = {0758.34022}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1991.102496/} }