@article {219321,
	title = {Oscillation of some nonlinear difference equations},
	journal = {Journal of Mathematical analysis and applications},
	volume = {281},
	year = {2003},
	note = {n/a},
	pages = {10-21},
	publisher = {Elsevier},
	abstract = {n/a},
	isbn = {0022-247X},
	author = {El-Morshedy, HA and Grace, SR}
}
