@InProceedings{PZ:EEICT:2011,
	author = {P. Zemek},
	title = {On the Nonterminal Complexity of Left Random Context {E0L} Grammars},
	pages = {510--514},
	booktitle = {Proceedings of the 17th Conference STUDENT EEICT 2011},
	volume = {3},
	year = {2011},
	publisher = {Brno University of Technology},
	address = {Brno, CZ}
}