@article{ARM_1996__32_1_a2,
     author = {Wong, P. J. Y. and Agarwal, Ravi P.},
     title = {The oscillation of an $m$th order perturbed nonlinear difference equation},
     journal = {Archivum mathematicum},
     pages = {13--27},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1996},
     mrnumber = {1399838},
     zbl = {0870.39001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1996__32_1_a2/}
}