Ulrich Endriss. An Interactive Theorem Proving Assistant. In Neil V. Murray, editor, Automated Reasoning with Analytic Tableaux and Related Methods, International Conference, TABLEAUX 99, Saratoga Springs, NY, USA, June 7-11, 1999, Proceedings. Volume 1617 of Lecture Notes in Computer Science, pages 308-312, Springer, 1999.
Abstract is missing.