Bibliography

P. E. Klement

Klement P. E., Manzi M., Mesiar Radko : Ultramodular aggregation functions , Information Sciences vol.181, 19 (2011), p. 4101-4111 [2011] Download DOI: 10.1016/j.ins.2011.05.021
Klement P. E., Mesiar Radko, Pap E. : Triangular norms as ordinal sums of semigroups in the sense of A. H. Clifford , Semigroup Forum vol.65, 1 (2002), p. 71-82 [2002]