@inproceedings{ICALP-2002-Wich,
	author        = "Klaus Wich",
	booktitle     = "{Proceedings of the 29th International Colloquium on Automata, Languages and Programming}",
	doi           = "10.1007/3-540-45465-9_57",
	isbn          = "3-540-43864-5",
	pages         = "669--680",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Universal Inherence of Cycle-Free Context-Free Ambiguity Functions}",
	volume        = 2380,
	year          = 2002,
}