@article{10_21136_CMJ_1980_101698,
     author = {Ohriska, J\'an},
     title = {Sufficient conditions for the oscillation of $n$-th order nonlinear delay differential equation},
     journal = {Czechoslovak Mathematical Journal},
     pages = {490--497},
     year = {1980},
     volume = {30},
     number = {3},
     doi = {10.21136/CMJ.1980.101698},
     mrnumber = {583628},
     zbl = {0443.34069},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1980.101698/}
}