@article{10_21136_CMJ_1986_102090,
     author = {Grace, S. R. and Lalli, Bikkar S.},
     title = {Oscillation theorems for certain nonlinear differential equations with deviating arguments},
     journal = {Czechoslovak Mathematical Journal},
     pages = {268--274},
     year = {1986},
     volume = {36},
     number = {2},
     doi = {10.21136/CMJ.1986.102090},
     mrnumber = {831314},
     zbl = {0628.34038},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1986.102090/}
}