@inproceedings{ICALP-2003-KupfermanV,
	author        = "Orna Kupferman and Moshe Y. Vardi",
	booktitle     = "{Proceedings of the 30th International Colloquium on Automata, Languages and Programming}",
	ee            = "http://link.springer.de/link/service/series/0558/bibs/2719/27190697.htm",
	isbn          = "3-540-40493-7",
	pages         = "697--713",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Π₂ ∩ Σ₂ ≡ AFMC}",
	volume        = 2719,
	year          = 2003,
}