%% -*-BibTeX-*-


@Article{Groetschel1999a,
  author       = "Martin Gr{\"o}tschel",
  title        = "My Favorite Theorem: Characterizations of Perfect Graphs",
  journal      = "OPTIMA",
  volume       = "62",
  pages        = "2--5",
  year         = "1999",
  language     = "English",
}