C
[CHR12] Pavol Černý, Thomas A. Henzinger, and Arjun Radhakrishna. Simulation distances. Theoretical Computer Science 413(1):21-35. Elsevier, January 2012. 
@article{tcs413(1)-CHR,
  author =              {{\v{C}}ern{\'y}, Pavol and Henzinger, Thomas A. and
                         Radhakrishna, Arjun},
  title =               {Simulation distances},
  publisher =           {Elsevier},
  journal =             {Theoretical Computer Science},
  volume =              {413},
  number =              {1},
  pages =               {21-35},
  year =                {2012},
  month =               jan,
  doi =                 {10.1016/j.tcs.2011.08.002},
}
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