Janusz A. Brzozowski, Elyot Grant, Jeffrey Shallit
Closures in Formal Languages and Kuratowski’s Theorem
DLT, 2011.
@article{DLT-J-2009-BrzozowskiGS11,
author = "Janusz A. Brzozowski and Elyot Grant and Jeffrey Shallit",
doi = "10.1142/S0129054111008052",
journal = "{International Journal of Foundations of Computer Science}",
number = 2,
pages = "301--321",
publisher = "{World Scientific}",
title = "{Closures in Formal Languages and Kuratowski’s Theorem}",
volume = 22,
year = 2011,
}