CulikK86'

@article{DBLP:journals/acta/CulikK86,
  author    = {Karel Culik II and
               Juhani Karhum{\"a}ki},
  title     = {Synchronizable Deterministic Pushdown Automata and the Decidability
               of their Equivalence},
  journal   = {Acta Inf.},
  volume    = {23},
  number    = {5},
  year      = {1986},
  pages     = {597-605},
  ee        = {http://dx.doi.org/10.1007/BF00288472},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}