BalasFP95'

@article{DBLP:journals/mp/BalasFP95,
  author    = {Egon Balas and
               Matteo Fischetti and
               William R. Pulleyblank},
  title     = {The precedence-constrained asymmetric traveling salesman
               polytope},
  journal   = {Math. Program.},
  volume    = {68},
  year      = {1995},
  pages     = {241-265},
  ee        = {http://dx.doi.org/10.1007/BF01585767},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}