Kosaburo Hashiguchi. Limitedness Theorem on Finite Automata with Distance Functions. J. Comput. Syst. Sci., 24(2):233-244, 1982.
@article{Hashiguchi82-0, title = {Limitedness Theorem on Finite Automata with Distance Functions}, author = {Kosaburo Hashiguchi}, year = {1982}, researchr = {https://researchr.org/publication/Hashiguchi82-0}, cites = {0}, citedby = {0}, journal = {J. Comput. Syst. Sci.}, volume = {24}, number = {2}, pages = {233-244}, }