@article {219340,
	title = {Oscillation criteria for certain nth order differential equations with deviating arguments},
	journal = {Journal of Mathematical Analysis and Applications},
	volume = {262},
	year = {2001},
	note = {n/a},
	pages = {601-622},
	publisher = {Elsevier},
	abstract = {n/a},
	isbn = {0022-247X},
	author = {Agarwal, Ravi P and Said R. Grace and O{\textquoteright}regan, Donal}
}
