@inproceedings{ijcai2005p125,
  title     = {Strong Equivalence for Logic Programs with Preferences},
  author    = {Faber, Wolfgang and Konczak, Kathrin},
  booktitle = {Proceedings of the Nineteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-05}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  pages     = {430--434},
  year      = {2005},
  url       = {https://ijcai.org/proceedings/2005/125},
}