@inproceedings{VMCAI-2008-BagnaraHZ,
	author        = "Roberto Bagnara and Patricia M. Hill and Enea Zaffanella",
	booktitle     = "{Proceedings of the Ninth International Conference on Verification, Model Checking and Abstract Interpretation}",
	doi           = "10.1007/978-3-540-78163-9_6",
	isbn          = "978-3-540-78162-2",
	pages         = "8--21",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{An Improved Tight Closure Algorithm for Integer Octagonal Constraints}",
	volume        = 4905,
	year          = 2008,
}