Hans-Dieter Ehrich. A Note on State Minimization of a Special Class of Incomplete Sequential Machines. IEEE Transactions on Computers, 21(5):500-502, 1972. [doi]
@article{Ehrich72, title = {A Note on State Minimization of a Special Class of Incomplete Sequential Machines}, author = {Hans-Dieter Ehrich}, year = {1972}, doi = {10.1109/T-C.1972.223549}, url = {http://doi.ieeecomputersociety.org/10.1109/T-C.1972.223549}, researchr = {https://researchr.org/publication/Ehrich72}, cites = {0}, citedby = {0}, journal = {IEEE Transactions on Computers}, volume = {21}, number = {5}, pages = {500-502}, }