fuzzy theory. aggregation function. triangular normBook Book of Abstracts of the Sixteenth International Conference on Fuzzy Set Theory and Applications. FSTA 2022 : Liptovský Ján, Slovakia, January 30 – February 4, 2022. -- 1. vyd. -- Ostrava : University of Ostrava, 2022. -- 78 s. -- ISBN : 978-80-7599-299-4. Stupňanová, Andrea, 1970-. Dyba, Martin. Pavliska, Viktor