@inproceedings{DLT-1997-KarhumakiPM,
	author        = "Juhani Karhumäki and Wojciech Plandowski and Filippo Mignosi",
	booktitle     = "{Proceedings of the Third International Conference on Developments in Language Theory}",
	pages         = "103--118",
	publisher     = "{Aristotle University of Thessaloniki}",
	title         = "{A lower bound for a constant in Shallit’s conjecture}",
	year          = 1997,
}