Teturo Kamae, Hui Rao, Bo Tan, Yu-Mei Xue. Super-stationary set, subword problem and the complexity. Discrete Mathematics, 309(13):4417-4427, 2009. [doi]
@article{KamaeRTX09, title = {Super-stationary set, subword problem and the complexity}, author = {Teturo Kamae and Hui Rao and Bo Tan and Yu-Mei Xue}, year = {2009}, doi = {10.1016/j.disc.2009.02.001}, url = {http://dx.doi.org/10.1016/j.disc.2009.02.001}, researchr = {https://researchr.org/publication/KamaeRTX09}, cites = {0}, citedby = {0}, journal = {Discrete Mathematics}, volume = {309}, number = {13}, pages = {4417-4427}, }