@article{DLT-J-2009-LaineP11,
	author        = "Markku Laine and Wojciech Plandowski",
	doi           = "10.1142/S0129054111008088",
	journal       = "{International Journal of Foundations of Computer Science}",
	number        = 2,
	pages         = "345--375",
	publisher     = "{World Scientific}",
	title         = "{Word Equations with One Unknown}",
	volume        = 22,
	year          = 2011,
}