R
[RS59] Michael O. Rabin and Dana S. Scott. Finite automata and their decision problems. IBM Journal of Research and Development 3(2):114-125. April 1959. 
@article{IBMJRD3(2)-RS,
  author =              {Rabin, Michael O. and Scott, Dana S.},
  title =               {Finite automata and their decision problems},
  journal =             {IBM Journal of Research and Development},
  volume =              {3},
  number =              {2},
  pages =               {114-125},
  year =                {1959},
  month =               apr,
  doi =                 {10.1147/rd.32.0114},
}
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