On a class of weak triangular norm operators
Information Sciences: an International Journal
On reversible triangular norms
Fuzzy Sets and Systems - Special issue on triangular norms
On the use of Hamacher's t-norms family for information aggregation
Information Sciences: an International Journal
Pseudo-arithmetical operations as a basis for the general measure and integration theory
Information Sciences—Informatics and Computer Science: An International Journal
A weakening of Schur-concavity for copulas
Fuzzy Sets and Systems
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In this paper, we shall give an example to show that an open problem of Fodor on triangular norm, which is collected by Klement et al. in "Problems on triangular norms and related operators" (Fuzzy Sets and Systems 145 (2004), 471-479), has a negative solution.