Ondrej Klíma, Libor Polák. Literally idempotent languages and their varieties - two letter case. In Erzsébet Csuhaj-Varjú, Zoltán Ésik, editors, Automata and Formal Languages, 12th International Conference, AFL 2008, Balatonfüred, Hungary, May 27-30, 2008, Proceedings. pages 220-231, 2008.
@inproceedings{KlimaP08-1,
title = {Literally idempotent languages and their varieties - two letter case},
author = {Ondrej Klíma and Libor Polák},
year = {2008},
researchr = {https://researchr.org/publication/KlimaP08-1},
cites = {0},
citedby = {0},
pages = {220-231},
booktitle = {Automata and Formal Languages, 12th International Conference, AFL 2008, Balatonfüred, Hungary, May 27-30, 2008, Proceedings},
editor = {Erzsébet Csuhaj-Varjú and Zoltán Ésik},
isbn = {978-963-311-367-7},
}