Kosaburo Hashiguchi, Shin Ichihara, Shuji Jimbo. Formal Languages over Free Bionoids. Journal of Automata, Languages and Combinatorics, 5(3):219-234, 2000.
@article{HashiguchiIJ00,
title = {Formal Languages over Free Bionoids},
author = {Kosaburo Hashiguchi and Shin Ichihara and Shuji Jimbo},
year = {2000},
researchr = {https://researchr.org/publication/HashiguchiIJ00},
cites = {0},
citedby = {0},
journal = {Journal of Automata, Languages and Combinatorics},
volume = {5},
number = {3},
pages = {219-234},
}