Characterization of invariant aggregation operators

@article{Mesiar2004CharacterizationOI,
  title={Characterization of invariant aggregation operators},
  author={Radko Mesiar and Tatiana R{\"u}ckschlossov{\'a}},
  journal={Fuzzy Sets and Systems},
  year={2004},
  volume={142},
  pages={63-73}
}