@inproceedings{ijcai1977p123,
  title     = {Theorem Proving by Covering Expressions},
  author    = {Henschen, Lawrence J. and Evangelist, W. M.},
  booktitle = {Proceedings of the Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-77}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Raj Reddy},
  pages     = {541--541},
  year      = {1977},
  note      = {Theorem Proving},
  url       = {https://ijcai.org/proceedings/1977/123},
}