@inproceedings{DLT-1997-DassowMP,
	author        = "Jürgen Dassow and Victor Mitrana and Gheorghe Paun",
	booktitle     = "{Proceedings of the Third International Conference on Developments in Language Theory}",
	pages         = "429--446",
	publisher     = "{Aristotle University of Thessaloniki}",
	title         = "{Point mutations in context-free languages}",
	year          = 1997,
}