Kosaburo Hashiguchi, Naoto Sakakibara, Shuji Jimbo. Equivalence of regular binoid expressions and regular expressions denoting binoid languages over free binoids. Theoretical Computer Science, 312(2-3):251-266, 2004. [doi]
@article{HashiguchiSJ04,
title = {Equivalence of regular binoid expressions and regular expressions denoting binoid languages over free binoids},
author = {Kosaburo Hashiguchi and Naoto Sakakibara and Shuji Jimbo},
year = {2004},
doi = {10.1016/j.tcs.2003.09.005},
url = {http://dx.doi.org/10.1016/j.tcs.2003.09.005},
researchr = {https://researchr.org/publication/HashiguchiSJ04},
cites = {0},
citedby = {0},
journal = {Theoretical Computer Science},
volume = {312},
number = {2-3},
pages = {251-266},
}