@inproceedings{ijcai2003p113,
  title     = {Universal Voting Protocol Tweaks to Make Manipulation Hard},
  author    = {Conitzer, Vincent and Sandholm, Tuomas},
  booktitle = {Proceedings of the Eighteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-03}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Georg Gottlob},
  pages     = {781--787},
  year      = {2003},
  url       = {https://ijcai.org/proceedings/2003/113},
}