BibTeX Export

@article{Authenticus:P-003-AKF,
	title = {{New decidable upper bound of the second level in the Straubing-Therien concatenation hierarchy of star-free languages}},
	author = {J Almeida and O Klima},
	journal = {Discrete Mathematics and Theoretical Computer Science},
	number = {4},
	pages = {41-58},
	publisher = {Discrete Mathematics Theoretical Computer Science},
	type = {Article},
	volume = {12},
	year = {2010}
}