BerstelB87'

BibTeX

@article{DBLP:journals/ipl/BerstelB87,
  author    = {Jean Berstel and
               Srecko Brlek},
  title     = {On the Length of Word Chains},
  journal   = {Inf. Process. Lett.},
  volume    = {26},
  number    = {1},
  year      = {1987},
  pages     = {23-28},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}