ChenGV11'

@article{DBLP:journals/siamcomp/ChenGV11,
  author    = {Ning Chen and
               Arpita Ghosh and
               Sergei Vassilvitskii},
  title     = {Optimal Envy-Free Pricing with Metric Substitutability},
  journal   = {SIAM J. Comput.},
  volume    = {40},
  number    = {3},
  year      = {2011},
  pages     = {623-645},
  ee        = {http://dx.doi.org/10.1137/080740970},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}