@inproceedings{FoSSaCS-2001-LaroussinieMS,
	author        = "François Laroussinie and Nicolas Markey and Philippe Schnoebelen",
	booktitle     = "{Proceedings of the Fourth International Conference on Foundations of Software Science and Computation Structures}",
	doi           = "10.1007/3-540-45315-6_21",
	isbn          = "3-540-41864-4",
	pages         = "318--331",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Model Checking CTL+ and FCTL is Hard}",
	volume        = 2030,
	year          = 2001,
}