@inproceedings{SAS-2003-BagnaraHRZ,
	author        = "Roberto Bagnara and Patricia M. Hill and Elisa Ricci and Enea Zaffanella",
	booktitle     = "{Proceedings of the 10th International Static Analysis Symposium}",
	doi           = "10.1007/3-540-44898-5_19",
	isbn          = "3-540-40325-6",
	pages         = "337--354",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Precise Widening Operators for Convex Polyhedra}",
	volume        = 2694,
	year          = 2003,
}