@inproceedings{DLT-2016-ChoffrutG,
	author        = "Christian Choffrut and Bruno Guillon",
	booktitle     = "{Proceedings of the 20th International Conference on Developments in Language Theory}",
	doi           = "10.1007/978-3-662-53132-7_10",
	isbn          = "978-3-662-53131-0",
	pages         = "114--124",
	publisher     = "{Springer}",
	title         = "{Both Ways Rational Functions}",
	year          = 2016,
}