Wolfgang Sander
- Multiplication, Distributivity and Fuzzy-integral I. KYBERNETIKA 41 (2005) n.3, 397-422.
- Multiplication, Distributivity and Fuzzy-Integral II. KYBERNETIKA 41 (2005) n.4, 469-496.
- Multiplication, Distributivity and Fuzzy-Integral III. KYBERNETIKA 41 (2005) n.4, 497-518.