Kosaburo Hashiguchi, Kazuya Yamada. Two Recognizable String-Matching Problems Over Free Partially Commutative Monoids. Theoretical Computer Science, 92(1):77-86, 1992.
@article{HashiguchiY92, title = {Two Recognizable String-Matching Problems Over Free Partially Commutative Monoids}, author = {Kosaburo Hashiguchi and Kazuya Yamada}, year = {1992}, researchr = {https://researchr.org/publication/HashiguchiY92}, cites = {0}, citedby = {0}, journal = {Theoretical Computer Science}, volume = {92}, number = {1}, pages = {77-86}, }