@article{10_21136_CMJ_1970_100947,
     author = {Heidel, John W.},
     title = {The existence of oscillatory solutions for a nonlinear odd order differential equation},
     journal = {Czechoslovak Mathematical Journal},
     pages = {93--97},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {1970},
     doi = {10.21136/CMJ.1970.100947},
     mrnumber = {0257468},
     zbl = {0183.36902},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1970.100947/}
}