@inproceedings{AFL-2011-Ito,
	author        = "Masami Ito",
	booktitle     = "{Proceedings of the 13th International Conference on Automata and Formal Languages}",
	isbn          = "978-615-5097-19-5",
	pages         = "28--33",
	title         = "{K-Restricted Duplication Closure of Languages}",
	year          = 2011,
}