Blum82'

BibTeX

@article{DBLP:journals/acta/Blum82,
  author    = {Norbert Blum},
  title     = {On the Power of Chain Rules in Context Free Grammars},
  journal   = {Acta Inf.},
  volume    = {17},
  year      = {1982},
  pages     = {425-433},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}