@inproceedings{LICS-1991-Kozen,
	author        = "Dexter Kozen",
	booktitle     = "{Proceedings of the Sixth Annual Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.1991.151646",
	isbn          = "0-8186-2230-X",
	pages         = "214--225",
	publisher     = "{IEEE Computer Society}",
	title         = "{A Completeness Theorem for Kleene Algebras and the Algebra of Regular Events}",
	year          = 1991,
}