Wiebe van der Hoek, Jan Jaspars, Elias Thijsse. Persistence and Minimality in Epistemic Logic. In Jürgen Dix, Luis Fariñas del Cerro, Ulrich Furbach, editors, Logics in Artificial Intelligence, European Workshop, JELIA 98, Dagstuhl, Germany, October 12-15, 1998, Proceedings. Volume 1489 of Lecture Notes in Computer Science, pages 62-76, Springer, 1998. [doi]
Abstract is missing.