@article{ICLP-J-2010-WangYYS,
	author        = "Yisong Wang and Jia-Huai You and Li-Yan Yuan and Yi-Dong Shen",
	doi           = "10.1017/S1471068410000268",
	journal       = "{Theory and Practice of Logic Programming}",
	number        = "4-6",
	pages         = "531--545",
	title         = "{Loop formulas for description logic programs}",
	volume        = 10,
	year          = 2010,
}