S
[SJ01] Zdeněk Sawa and Petr Jančar. P-hardness of Equivalence Testing on Finite State Processes. In SOFSEM'01, Lecture Notes in Computer Science 2234, pages 326-335. Springer-Verlag, November 2001. 
@inproceedings{sofsem2001-SJ,
  author =              {Sawa, Zden{\v{e}}k and Jan{\v c}ar, Petr},
  title =               {{P}-hardness of Equivalence Testing on Finite State
                         Processes},
  editor =              {Pacholski, Leszek and Ruzicka, Peter},
  booktitle =           {{P}roceedings of the 28th {C}onference on {C}urrent
                         {T}rends in {T}heory and {P}ractice of {I}nformatics
                         ({SOFSEM}'01)},
  acronym =             {{SOFSEM}'01},
  publisher =           {Springer-Verlag},
  series =              {Lecture Notes in Computer Science},
  volume =              {2234},
  pages =               {326-335},
  year =                {2001},
  month =               nov,
}
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