@inproceedings{DLT-2016-NowotkaS,
	author        = "Dirk Nowotka and Aleksi Saarela",
	booktitle     = "{Proceedings of the 20th International Conference on Developments in Language Theory}",
	doi           = "10.1007/978-3-662-53132-7_27",
	isbn          = "978-3-662-53131-0",
	pages         = "332--343",
	publisher     = "{Springer}",
	title         = "{One-Unknown Word Equations and Three-Unknown Constant-Free Word Equations}",
	year          = 2016,
}