@article{GomJCSS2014,
  author    = {Carlos G{\'{o}}mez{-}Rodr{\'{\i}}guez},
  title     = {Finding the smallest binarization of a {CFG} is {NP}-hard},
  journal   = {J. Comput. Syst. Sci.},
  volume    = {80},
  number    = {4},
  pages     = {796--805},
  year      = {2014},
  url       = {http://dx.doi.org/10.1016/j.jcss.2013.12.003},
  doi       = {10.1016/j.jcss.2013.12.003},
  timestamp = {Mon, 17 Mar 2014 20:24:42 +0100},
  biburl    = {http://dblp.uni-trier.de/rec/bib/journals/jcss/Gomez-Rodriguez14},
  bibsource = {dblp computer science bibliography, http://dblp.org},
  issn      = {0022-0000},
}