@inproceedings{LATA-2009-BordihnHK,
	author        = "Henning Bordihn and Markus Holzer and Martin Kutrib",
	booktitle     = "{Proceedings of the Third International Conference on Language and Automata Theory and Applications}",
	doi           = "10.1007/978-3-642-00982-2_20",
	isbn          = "978-3-642-00981-5",
	pages         = "236--246",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Undecidability of Operation Problems for T0L Languages and Subclasses}",
	volume        = 5457,
	year          = 2009,
}