@inproceedings{ijcai2003p41,
  title     = {Tractable Symmetry Breaking for CSPs with Interchangeable Values},
  author    = {Van Hentenryck, Pascal and Flener, Pierre and Pearson, Justin and Ågren, Magnus},
  booktitle = {Proceedings of the Eighteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-03}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Georg Gottlob},
  pages     = {277--283},
  year      = {2003},
  url       = {https://ijcai.org/proceedings/2003/41},
}