The following publications are possibly variants of this publication:
- Open problems posed at the Tenth International Conference on Fuzzy Set Theory and Applications (FSTA 2010, Liptovský Ján, Slovakia)Radko Mesiar, Peter Sarkoci. kybernetika, 46(4):585-599, 2010. [doi]
- Open problems from the 12th International Conference on Fuzzy Set Theory and Its ApplicationsRadko Mesiar, Andrea Stupnanová. fss, 261:112-123, 2015. [doi]
- Open problems from the 2nd International Conference on Fuzzy Sets Theory and Its ApplicationsRadko Mesiar, Vilém Novák. fss, 81(2):185-190, 1996. [doi]