@inproceedings{CIAA-2002-CampeanuSY,
	author        = "Cezar Câmpeanu and Kai Salomaa and Sheng Yu",
	booktitle     = "{Revised Papers of the Seventh International Conference on Implementation and Application of Automata}",
	doi           = "10.1007/3-540-44977-9_7",
	isbn          = "3-540-40391-4",
	pages         = "77--84",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Regex and Extended Regex}",
	volume        = 2608,
	year          = 2002,
}