@inproceedings{CIAA-2008-Pighizzini,
	author        = "Giovanni Pighizzini",
	booktitle     = "{Proceedings of the 13th International Conference on Implementation and Application of Automata}",
	doi           = "10.1007/978-3-540-70844-5_24",
	isbn          = "978-3-540-70843-8",
	pages         = "232--241",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Deterministic Pushdown Automata and Unary Languages}",
	volume        = 5148,
	year          = 2008,
}