@article {agarwal2004oscillation,
	title = {Oscillation theorems for certain functional differential equations of higher order},
	journal = {Mathematical and computer modelling},
	volume = {39},
	number = {9-10},
	year = {2004},
	note = {n/a},
	pages = {1185{\textendash}1194},
	publisher = {Pergamon},
	abstract = {n/a},
	author = {Agarwal, RP and Grace, SR}
}
