I
[IS99] Balász Imreh and Magnus Steinby. Directable nondeterministic automata. Acta Cybernetica 14(1):105-115. Institute of Informatics, University of Szeged, 1999.
@article{actacyb14(1)-IS,
  author =              {Imreh, Bal{\'a}sz and Steinby, Magnus},
  title =               {Directable nondeterministic automata},
  publisher =           {Institute of Informatics, University of Szeged},
  journal =             {Acta Cybernetica},
  volume =              {14},
  number =              {1},
  pages =               {105-115},
  year =                {1999},
}
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