%% -*-BibTeX-*-


@Article{PadbergSung1991,
  author       = "Manfred Padberg and Ting-Yi Sung",
  title        = "An analytical comparison of different formulations of the travelling salesman problem",
  journal      = "Mathematical Programming",
  volume       = "52",
  pages        = "315--357",
  year         = "1991",
}