@article{EJDE_2013__2013__a115,
     author = {Shoukaku,  Yutaka},
     title = {Oscillation criteria for third-order nonlinear differential equations with functional arguments},
     journal = {Electronic journal of differential equations},
     year = {2013},
     volume = {2013},
     zbl = {1290.34068},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2013__2013__a115/}
}