@article{ARM_1992__28_1-2_a6,
     author = {Gregu\v{s}, M. and Gregu\v{s}, M., Jr.},
     title = {Remark concerning oscillatory properties of solutions of a certain nonlinear equation of the third order},
     journal = {Archivum mathematicum},
     pages = {51--55},
     publisher = {mathdoc},
     volume = {28},
     number = {1-2},
     year = {1992},
     mrnumber = {1201865},
     zbl = {0781.34024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1992__28_1-2_a6/}
}