@inproceedings{SAC-1999-Monfroy,
	author        = "Eric Monfroy",
	booktitle     = "{Proceedings of the 14th Symposium on Applied Computing}",
	doi           = "10.1145/298151.298473",
	pages         = "553--559",
	publisher     = "{ACM}",
	title         = "{Using “Weaker” Functions for Constraint Propagation Over Real Numbers}",
	year          = 1999,
}