@inproceedings{CSL-2007-FinkelL,
	author        = "Olivier Finkel and Dominique Lecomte",
	booktitle     = "{Proceedings of the 16th EACSL Annual Conference / 21st International Workshop on Computer Science Logic}",
	doi           = "10.1007/978-3-540-74915-8_12",
	isbn          = "978-3-540-74914-1",
	pages         = "115--129",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{There Exist Some ω-Powers of Any Borel Rank}",
	volume        = 4646,
	year          = 2007,
}