@article {agarwal2000oscillation,
	title = {Oscillation of functional differential equations},
	journal = {Oscillation Theory for Difference and Functional Differential Equations},
	year = {2000},
	note = {n/a},
	pages = {166{\textendash}317},
	publisher = {Springer Netherlands},
	abstract = {n/a},
	author = {Agarwal, Ravi P and Said R. Grace and O{\textquoteright}Regan, Donal and Agarwal, Ravi P and Said R. Grace and O{\textquoteright}Regan, Donal}
}
