@inproceedings{LICS-1994-Stefansson,
	author        = "Kjartan Stefánsson",
	booktitle     = "{Proceedings of the Ninth Annual Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.1994.316077",
	isbn          = "0-8186-6310-3",
	pages         = "137--141",
	publisher     = "{IEEE Computer Society}",
	title         = "{Systems of Set Constraints with Negative Constraints are NEXPTIME-Complete}",
	year          = 1994,
}