Pei Hsia, Raymond T. Yeh. Finite Automata with Markers. In ICALP. pages 443-451, 1972.
@inproceedings{HsiaY72, title = {Finite Automata with Markers}, author = {Pei Hsia and Raymond T. Yeh}, year = {1972}, researchr = {https://researchr.org/publication/HsiaY72}, cites = {0}, citedby = {0}, pages = {443-451}, booktitle = {ICALP}, }