@inproceedings{ijcai1993p32,
  title     = {When Functional and Bijective Constraints Make a CSP Polynomial},
  author    = {David, Philippe},
  booktitle = {Proceedings of the Thirteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-93}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Ruzena Bajcsy},
  pages     = {224--230},
  year      = {1993},
  note      = {Constraint Satisfaction Problems},
  url       = {https://ijcai.org/proceedings/1993/32},
}