@article {agarwal1999oscillation,
	title = {Oscillation theorems for certain neutral functional differential equations},
	journal = {Computers \& Mathematics with Applications},
	volume = {38},
	number = {11-12},
	year = {1999},
	note = {n/a},
	pages = {1{\textendash}11},
	publisher = {Elsevier Science Publishing Company, Inc.},
	abstract = {n/a},
	author = {Agarwal, Ravi P and Said R. Grace}
}
