I
[ITN78] Katsushi Inoue, Itsuo Takanami, and Akira Nakamura. A note on Two-dimensional Finite Automata. Information Processing Letters 7(1):49-52. Elsevier, January 1978. 
@article{ipl7(1)-ITN,
  author =              {Inoue, Katsushi and Takanami, Itsuo and Nakamura,
                         Akira},
  title =               {A~note on Two-dimensional Finite Automata},
  publisher =           {Elsevier},
  journal =             {Information Processing Letters},
  volume =              {7},
  number =              {1},
  pages =               {49-52},
  year =                {1978},
  month =               jan,
}
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