Sergey Afonin, Elena Khazova
On the Structure of Finitely Generated Semigroups of Unary Regular Languages
AFL, 2010.
@article{AFL-J-2008-AfoninK10,
author = "Sergey Afonin and Elena Khazova",
doi = "10.1142/S0129054110007507",
journal = "{International Journal of Foundations of Computer Science}",
number = 5,
pages = "689--704",
publisher = "{World Scientific}",
title = "{On the Structure of Finitely Generated Semigroups of Unary Regular Languages}",
volume = 21,
year = 2010,
}