@inproceedings{ijcai1997p30,
  title     = {A Set-Theoretic Approach to Automated Deduction in Graded Modal Logics},
  author    = {Montanari, Angelo and Policriti, Alberto},
  booktitle = {Proceedings of the Fifteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-97}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Martha E. Pollack},
  pages     = {196--200},
  year      = {1997},
  note      = {Automated Reasoning},
  url       = {https://ijcai.org/proceedings/1997/30},
}