@article{DLT-J-2009-GazdagN11,
	author        = "Zsolt Gazdag and Zoltán L. Németh",
	doi           = "10.1142/S012905411100812X",
	journal       = "{International Journal of Foundations of Computer Science}",
	number        = 2,
	pages         = "427--446",
	publisher     = "{World Scientific}",
	title         = "{A Kleene Theorem for Bisemigroup and binoid Languages}",
	volume        = 22,
	year          = 2011,
}