Michael Shapiro. A Note on Context-Sensitive Languages and Word Problems. IJAC, 4(4):493-498, 1994. [doi]
@article{Shapiro94-3, title = {A Note on Context-Sensitive Languages and Word Problems}, author = {Michael Shapiro}, year = {1994}, doi = {10.1142/S0218196794000129}, url = {http://dx.doi.org/10.1142/S0218196794000129}, researchr = {https://researchr.org/publication/Shapiro94-3}, cites = {0}, citedby = {0}, journal = {IJAC}, volume = {4}, number = {4}, pages = {493-498}, }