@inproceedings{DBLP:conf/stacs/GoldbergHKS04,
  author    = {Andrew V. Goldberg and
               Jason D. Hartline and
               Anna R. Karlin and
               Michael E. Saks},
  title     = {A Lower Bound on the Competitive Ratio of Truthful Auctions},
  booktitle = {STACS},
  year      = {2004},
  pages     = {644-655},
  ee        = {http://dx.doi.org/10.1007/978-3-540-24749-4_56},
  crossref  = {DBLP:conf/stacs/2004},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/stacs/2004,
  editor    = {Volker Diekert and
               Michel Habib},
  title     = {STACS 2004, 21st Annual Symposium on Theoretical Aspects
               of Computer Science, Montpellier, France, March 25-27, 2004,
               Proceedings},
  booktitle = {STACS},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {2996},
  year      = {2004},
  isbn      = {3-540-21236-1},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}