@inproceedings{ijcai1993p42,
  title     = {Satisfiability of Boolean Formulas over Linear Constraints},
  author    = {Beringer, Henri and De Backer, Bruno},
  booktitle = {Proceedings of the Thirteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-93}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Ruzena Bajcsy},
  pages     = {296--303},
  year      = {1993},
  note      = {Constraint Satisfaction Problems},
  url       = {https://ijcai.org/proceedings/1993/42},
}