To Appear

(2) A characterization of the property of orthomonotonicity
R. Pérez-Fernández, B. De Baets, M. Gageloweski and J.J. Salamanca
IEEE TRANSACTIONS ON FUZZY SYSTEMS
(1) Aggregation theory revisited
R. Pérez-Fernández and B. De Baets
IEEE TRANSACTIONS ON FUZZY SYSTEMS