@inproceedings{PLDI-2013-ApinisSV,
	author        = "Kalmer Apinis and Helmut Seidl and Vesal Vojdani",
	booktitle     = "{Proceedings of the 34th Conference on Programming Language Design and Implementation}",
	doi           = "10.1145/2462156.2462190",
	editor        = "Hans-Juergen Boehm and Cormac Flanagan",
	isbn          = "978-1-4503-2014-6",
	pages         = "377--386",
	publisher     = "{ACM}",
	title         = "{How to combine widening and narrowing for non-monotonic systems of equations}",
	year          = 2013,
}