Paper  bibtex   

@article{ dblp1981159,
  title = {Minimal TSP Tour is coNP-Complete},
  author = {Marzio De Biasi},
  author_short = {De Biasi, M.},
  bibtype = {article},
  type = {article},
  year = {2014},
  key = {dblp1981159},
  id = {dblp1981159},
  biburl = {http://www.dblp.org/rec/bibtex/journals/corr/Biasi14},
  url = {http://arxiv.org/abs/1403.3431},
  journal = {CoRR},
  volume = {abs/1403.3431},
  text = {CoRR abs/1403.3431 (2014)}
}