@inproceedings{ISLP-1991-Caseau,
	author        = "Yves Caseau",
	booktitle     = "{Proceedings of the Eighth International Symposium on Logic Programming}",
	isbn          = "0-262-69147-7",
	pages         = "435--452",
	publisher     = "{MIT Press}",
	title         = "{Abstract Interpretation of Constraints on Order-Sorted Domains}",
	year          = 1991,
}