Radko Mesiar Anna Kolesárová Tomasa Calvo Magda Komorníková A Review of Aggregation Functions. 121-144 2008 Fuzzy Sets and Their Extensions: Representation, Aggregation and Models http://dx.doi.org/10.1007/978-3-540-73723-0_7 series/sfsc/2008-220 db/series/sfsc/sfsc220.html#MesiarKCK08