Ivan Korec. Two kinds of processors are sufficient and large operating alphabets are needed for regular trellis automata languages. Bulletin of the EATCS, 23:35-41, 1984.
@article{Korec84, title = {Two kinds of processors are sufficient and large operating alphabets are needed for regular trellis automata languages}, author = {Ivan Korec}, year = {1984}, researchr = {https://researchr.org/publication/Korec84}, cites = {0}, citedby = {0}, journal = {Bulletin of the EATCS}, volume = {23}, pages = {35-41}, }