@inproceedings{ijcai1999p2,
  title     = {Cooperation of Heterogeneous Provers},
  author    = {Denzinger, Jörg and Fuchs, Dirk},
  booktitle = {Proceedings of the Sixteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-99}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Thomas Dean},
  year      = {1999},
  url       = {https://ijcai.org/proceedings/1999/2},
}