Paper  bibtex   

@article{DBLP:journals/corr/AuRS08,
  author    = {Yu Hin Au and
               Aaron Robertson and
               Jeffrey Shallit},
  title     = {Van der Waerden's Theorem and Avoidability in Words},
  journal   = {CoRR},
  volume    = {abs/0812.2466},
  year      = {2008},
  url       = {http://arxiv.org/abs/0812.2466},
  archivePrefix = {arXiv},
  eprint    = {0812.2466},
  timestamp = {Mon, 13 Aug 2018 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/bib/journals/corr/AuRS08},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}