@inproceedings{ijcai2005p60,
  title     = {Efficiency and envy-freeness in fair division of indivisible goods: logical representation and complexity},
  author    = {Bouveret, Sylvain and Lang, Jérôme},
  booktitle = {Proceedings of the Nineteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-05}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  pages     = {935--939},
  year      = {2005},
  url       = {https://ijcai.org/proceedings/2005/60},
}