@inproceedings{Beckert94f,
author = {Bernhard Beckert},
title = {Using Mixed Universal and Rigid {$E$}-Unification to
Handle Equality in Universal Formula Semantic Tableaux},
booktitle = {Adding Equality to Theorem Provers, Workshop
of the DFG-Schwerpunkt ``Deduktion''},
venue = {Leipzig, Germany},
year = {1994}
}
