@inproceedings{KR-1989-RossiM,
	author        = "Francesca Rossi and Ugo Montanari",
	booktitle     = "{Proceedings of the First International Conference on Principles of Knowledge Representation and Reasoning}",
	isbn          = "1-55860-032-9",
	pages         = "394--399",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Exact Solution in Linear Time of Networks of Constraints Using Perfect Relaxation}",
	year          = 1989,
}