@inproceedings{ijcai2007p217,
  title     = {Multi-issue Negotiation Protocol for Agents: Exploring Nonlinear Utility Spaces},
  author    = {Ito, Takayuki and Hattori, Hiromitsu and Klein, Mark},
  booktitle = {Proceedings of the Twentieth International Joint Conference on
               Artificial Intelligence, {IJCAI-07}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Ramon López de Mántaras},
  pages     = {1347--1351},
  year      = {2007},
  url       = {https://ijcai.org/proceedings/2007/217},
}