Marjo Lipponen, Arto Salomaa. Simple Words in Equality Sets. In Current Trends in Theoretical Computer Science. pages 717-733, 2001.
@incollection{LipponenS01,
title = {Simple Words in Equality Sets},
author = {Marjo Lipponen and Arto Salomaa},
year = {2001},
researchr = {https://researchr.org/publication/LipponenS01},
cites = {0},
citedby = {0},
pages = {717-733},
booktitle = {Current Trends in Theoretical Computer Science},
}