@inproceedings{SAS-2006-Schmidt,
	author        = "David A. Schmidt",
	booktitle     = "{Proceedings of the 13th International Static Analysis Symposium}",
	doi           = "10.1007/11823230_9",
	isbn          = "3-540-37756-5",
	pages         = "127--143",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Underapproximating Predicate Transformers}",
	volume        = 4134,
	year          = 2006,
}