@inproceedings{AFL-2011-BrzozowskiL,
	author        = "Janusz A. Brzozowski and Bo Liu",
	booktitle     = "{Proceedings of the 13th International Conference on Automata and Formal Languages}",
	isbn          = "978-615-5097-19-5",
	pages         = "138--152",
	title         = "{Quotient Complexity of Star-Free Languages}",
	year          = 2011,
}