New Trends and Open Problems in Fuzzy Logic and Approximate reasoning
Didier Dubois, Henri Prade · HAL (Le Centre pour la Communication Scientifique Directe) · 1996
Originally established in 1952, THEORIA was re-established in 1985. It is published quarterly by the Universidad del País Vasco, and is also known by its Spanish title THEORIA: Revista de Teoría, Historia y Fundamentos de la Ciencia.