@inproceedings{ijcai1999p15,
  title     = {Computing Least Common Subsumers in Description Logics with Existential Restrictions},
  author    = {Baader, Franz and Küsters, Ralf and Molitor, Ralf},
  booktitle = {Proceedings of the Sixteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-99}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Thomas Dean},
  pages     = {96--102},
  year      = {1999},
  note      = {Automated Reasoning},
  url       = {https://ijcai.org/proceedings/1999/15},
}