@inproceedings{LATA-2007-Okhotin,
	author        = "Alexander Okhotin",
	booktitle     = "{Proceedings of the First International Conference on Language and Automata Theory and Applications}",
	pages         = "473--484",
	publisher     = "{Research Group on Mathematical Linguistics, Universitat Rovira i Virgili, Tarragona}",
	title         = "{Unambiguous Boolean grammars}",
	volume        = "Report 35/07",
	year          = 2007,
}