@article {219084,
	title = {Forced Oscillation for General Differential Equations},
	journal = {收藏},
	volume = {1},
	year = {2007},
	note = {n/a},
	abstract = {n/a},
	author = {Agarwal, Ravi P and Said R. Grace and O{\textquoteright}regan, Donal}
}
