Greibach78'

BibTeX

@article{DBLP:journals/acta/Greibach78,
  author    = {Sheila A. Greibach},
  title     = {Hierarchy Theorems for Two-Way Finite State Transducers},
  journal   = {Acta Inf.},
  volume    = {11},
  year      = {1978},
  pages     = {80-101},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}