@inproceedings{SAS-2005-BagnaraHMZ,
	author        = "Roberto Bagnara and Patricia M. Hill and Elena Mazzi and Enea Zaffanella",
	booktitle     = "{Proceedings of the 12th International Static Analysis Symposium}",
	doi           = "10.1007/11547662_3",
	isbn          = "3-540-28584-9",
	pages         = "3--18",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Widening Operators for Weakly-Relational Numeric Abstractions}",
	volume        = 3672,
	year          = 2005,
}