@inproceedings{ijcai2001p86,
  title     = {UNSEARCHMO: Eliminating Redundant Search Space on Backtracking for Forward Chaining Theorem Proving},
  author    = {He, Lifeng},
  booktitle = {Proceedings of the Seventeenth International Joint Conference on
               Artificial Intelligence, {IJCAI-01}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  pages     = {618--622},
  year      = {2001},
  url       = {https://ijcai.org/proceedings/2001/86},
}