@article{10_21136_CMJ_1988_102270,
     author = {Grace, S. R. and Lalli, Bikkar S.},
     title = {Oscillation theorems for certain neutral differential equations},
     journal = {Czechoslovak Mathematical Journal},
     pages = {745--753},
     publisher = {mathdoc},
     volume = {38},
     number = {4},
     year = {1988},
     doi = {10.21136/CMJ.1988.102270},
     mrnumber = {962917},
     zbl = {0705.34072},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102270/}
}