CulikF77'

BibTeX

@article{DBLP:journals/iandc/CulikF77,
  author    = {Karel Culik II and
               Ivan Fris},
  title     = {The Decidability of the Equivalence Problem for DOL-Systems},
  journal   = {Information and Control},
  volume    = {35},
  number    = {1},
  year      = {1977},
  pages     = {20-39},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}