BerstelB97'

BibTeX

@article{DBLP:journals/eatcs/BerstelB97,
  author    = {Jean Berstel and
               Luc Boasson},
  title     = {The set of Lyndon words is not context-free},
  journal   = {Bulletin of the EATCS},
  volume    = {63},
  year      = {1997},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}