1. Aggregation Functions: A Guide for Practitioners;Beliakov,2007
2. Modeling Decisions: Information Fusion and Aggregation Operators;Torra,2007
3. A review of aggregation functions;Mesiar,2008
4. Aggregation Functions;Grabisch,2009
5. Sulle medie multiple di potenze;Bonferroni;Bolletino Matematica Italiana,1950