Shift invariant binary aggregation operators. - Jesús Lázaro 003; Tatiana Rückschlossová; Tomasa Calvo (Fuzzy Sets Syst., 2004)

XAO Operators - The interval universe. - Jesús Lázaro 003; Tomasa Calvo (EUSFLAT Conf., 2005)

Pointwise Construction of Lipschitz Aggregation Operators with Specific Properties. - Gleb Beliakov; Tomasa Calvo; Jesús Lázaro 003 (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2007)