SawaJ09'

BibTeX

@article{DBLP:journals/acta/SawaJ09,
  author    = {Zdenek Sawa and
               Petr Jancar},
  title     = {Hardness of equivalence checking for composed finite-state
               systems},
  journal   = {Acta Inf.},
  volume    = {46},
  number    = {3},
  year      = {2009},
  pages     = {169-191},
  ee        = {http://dx.doi.org/10.1007/s00236-008-0088-x},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}