@article{DLT-J-2012-BrzozowskiT13,
	author        = "Janusz A. Brzozowski and Hellis Tamm",
	doi           = "10.1142/S0129054113400285",
	journal       = "{International Journal of Foundations of Computer Science}",
	number        = 7,
	pages         = "1009--1028",
	publisher     = "{World Scientific}",
	title         = "{Complexity of atoms of Regular Languages}",
	volume        = 24,
	year          = 2013,
}