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Cartesian product over intuitionistic fuzzy sets
References
- Cartesian products over intuitionistic fuzzy sets, Atanassov K., Stoyanova D., 1990
- On the Cartesian product of intuitionistic fuzzy sets, Glad Deschrijver, Etienne Kerre, 2001
- On some properties of one Cartesian product over intuitionistic fuzzy sets, Velin Andonov, 2008