Humberto Bustince Sola Tomasa Calvo Bernard De Baets János C. Fodor Radko Mesiar Javier Montero Daniel Paternain Ana Pradera A class of aggregation functions encompassing two-dimensional OWA operators. 1977-1989 2010 180 Inf. Sci. 10 http://dx.doi.org/10.1016/j.ins.2010.01.022 db/journals/isci/isci180.html#SolaCBFMMPP10