@INPROCEEDINGS{PenProWid06,
  AUTHOR =       {P. Penna and G. Proietti and P. Widmayer},
  TITLE =        {Strongly Polynomial-Time Truthful Mechanisms in One Shot},
  BOOKTITLE =    {Proc. of the 2nd International Workshop on Internet and Network Economics (WINE)},
  YEAR =         {2006},
  volume =       {4286},
  series =       {LNCS},
  pages =        {377-388}
}