1. Behounek, L.: An alternative justification of the axioms of fuzzy logics. The Bulletin of Symbolic Logic (to appear)
2. Bennett, A.D.C., Paris, J.B., Vencovská, A.: A new criteria for comparing fuzzy logics for uncertain reasoning. Journal of Logic, Language, and Information (9), 31–63 (2000)
3. Bezdek, J.C.: Fuzzy Mathematics in Pattern Classification. Ph. D. Thesis, Center for Aplied Mathematics, Cornell University, Ithaca, New York (1973)
4. Bezdek, J.C.: Pattern Recognition with Fuzzy Objective Function Algorithms. Plenum Press, New York (1981)
5. Cignoli, R., D’Ottaviano, I.M.L., Mundici, D.: Algebraic Foundations of Many-valued Reasoning. In: Trends in Logic, vol. 7. Kluwer Academic Publishers, Dordrecht (1999)