%% -*-BibTeX-*-


@Article{Co93,
  author       = "D. Costa",
  title        = "On the Use of some Known Methods for {T}-Colourings of Graphs",
  journal      = "Annals of Operations Research",
  volume       = "41",
  pages        = "343--358",
  year         = "1993",
  language     = "English",
}