Efim B. Kinber. Three-way automata on rectangular tapes over a one-letter alphabet. Inf. Sci., 35(1):61-77, 1985. [doi]
@article{Kinber85,
title = {Three-way automata on rectangular tapes over a one-letter alphabet},
author = {Efim B. Kinber},
year = {1985},
doi = {10.1016/0020-0255(85)90041-6},
url = {http://dx.doi.org/10.1016/0020-0255(85)90041-6},
researchr = {https://researchr.org/publication/Kinber85},
cites = {0},
citedby = {0},
journal = {Inf. Sci.},
volume = {35},
number = {1},
pages = {61-77},
}