Juhani Karhumäki, Filippo Mignosi, Wojciech Plandowski. The expressibility of languages and relations by word equations. Journal of the ACM, 47(3):483-505, 2000. [doi]
@article{KarhumakiMP00,
title = {The expressibility of languages and relations by word equations},
author = {Juhani Karhumäki and Filippo Mignosi and Wojciech Plandowski},
year = {2000},
doi = {10.1145/337244.337255},
url = {http://doi.acm.org/10.1145/337244.337255},
researchr = {https://researchr.org/publication/KarhumakiMP00},
cites = {0},
citedby = {0},
journal = {Journal of the ACM},
volume = {47},
number = {3},
pages = {483-505},
}