@inproceedings{JICSLP-1998-DevienneTT,
	author        = "Philippe Devienne and Jean-Marc Talbot and Sophie Tison",
	booktitle     = "{Proceedings of the Joint International 15th Conference and Symposium on Logic Programming}",
	isbn          = "0-262-60031-5",
	pages         = "25--39",
	publisher     = "{MIT Press}",
	title         = "{Co-definite Set Constraints with Membership Expressions}",
	year          = 1998,
}