@article{ICLP-J-2010-HouCD,
	author        = "Ping Hou and Broes de Cat and Marc Denecker",
	doi           = "10.1017/S1471068410000293",
	journal       = "{Theory and Practice of Logic Programming}",
	number        = "4-6",
	pages         = "581--596",
	title         = "{FO(FD): Extending classical logic with rule-based fixpoint definitions}",
	volume        = 10,
	year          = 2010,
}