Michal Kunc. The Power of Commuting with Finite Sets of Words. Theory Comput. Syst., 40(4):521-551, 2007. [doi]
@article{Kunc07:1, title = {The Power of Commuting with Finite Sets of Words}, author = {Michal Kunc}, year = {2007}, doi = {10.1007/s00224-006-1321-z}, url = {http://dx.doi.org/10.1007/s00224-006-1321-z}, researchr = {https://researchr.org/publication/Kunc07%3A1}, cites = {0}, citedby = {0}, journal = {Theory Comput. Syst.}, volume = {40}, number = {4}, pages = {521-551}, }