IbarraK74'

BibTeX

@article{DBLP:journals/acta/IbarraK74,
  author    = {Oscar H. Ibarra and
               Chul E. Kim},
  title     = {On 3-Head Versus 2-Head Finite Automata},
  journal   = {Acta Inf.},
  volume    = {4},
  year      = {1974},
  pages     = {193-200},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}