@inproceedings{ijcai1983p83,
  title     = {General Approach to Nonmonotonic Logics},
  author    = {Lukaszewicz, Witold},
  booktitle = {Proceedings of the Eighth International Joint Conference on
               Artificial Intelligence, {IJCAI-83}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Alan Bundy},
  pages     = {352--353},
  year      = {1983},
  note      = {Knowledge Representation},
  url       = {https://ijcai.org/proceedings/1983/83},
}