González, M.; Ruiz, D.; Torrens, J.. , "Opening and Closing Operators in Fuzzy Morphology Using Conjunctive Uninorms", IPMU'2004 Posters. Itàlia, 2004. Article.
Mayor, G.; Suñer, J.; Torrens, J.. , "Discrete copulas and Sklar's Theorem", Proceedings of the Tenth International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems. Itàlia, 2004. Capítol de llibre.
M. Mas, M. Monserrat, J. Torrens. , "Copulas and quasi-copulas in a class of aggregation functions.", Proceedings of the Congress IPMU-2004. Itàlia, 2004. Article.
Ruiz, D.; Torrens, J.. , "Conditional Distributivity for a Uninorm and a Continuous t-conorm", Proceeedings of IPMU'2004. Itàlia, 2004. Article.