@inproceedings{DLT-2017-GazdagT,
	author        = "Zsolt Gazdag and Krisztián Tichler",
	booktitle     = "{Proceedings of the 21st International Conference on Developments in Language Theory}",
	doi           = "10.1007/978-3-319-62809-7_12",
	isbn          = "['978-3-319-62808-0', '978-3-319-62809-7']",
	pages         = "173--184",
	publisher     = "{Springer}",
	title         = "{On the Power of Permitting Semi-conditional Grammars}",
	year          = 2017,
}