@article{DLT-J-2008-HolubN10,
	author        = "Stepan Holub and Dirk Nowotka",
	doi           = "10.1142/S0129054110007465",
	journal       = "{International Journal of Foundations of Computer Science}",
	number        = 4,
	pages         = "633--645",
	publisher     = "{World Scientific}",
	title         = "{On the Relation between Periodicity and Unbordered Factors of Finite Words}",
	volume        = 21,
	year          = 2010,
}