Engelfriet82'

BibTeX

@article{DBLP:journals/mst/Engelfriet82,
  author    = {Joost Engelfriet},
  title     = {Three Hierarchies of Transducers},
  journal   = {Mathematical Systems Theory},
  volume    = {15},
  number    = {2},
  year      = {1982},
  pages     = {95-125},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}