1. How to build aggregation operators from data;Beliakov;International Journal of Intelligent Systems,2003
2. Aggregation Functions: A Guide for Practitioners;Beliakov,2007
3. Handbook of Means and Their Inequalities;Bullen,2003
4. Aggregation operators: properties, classes and construction methods;Calvo,2002
5. Aggregation Operators: New Trends and Applications,2002