Petr Hájek, Dagmar Harmancová, Francesc Esteva, Pere Garcia, Lluis Godo. On Modal Logics for Qualitative Possibility in a Fuzzy Setting. In Ramon López de Mántaras, David Poole, editors, UAI 94: Proceedings of the Tenth Annual Conference on Uncertainty in Artificial Intelligence, July 29-31, 1994, Seattle, Washington, USA. pages 278-285, Morgan Kaufmann, 1994. [doi]
Abstract is missing.