Kandel, Abraham
Fuzzy mathematical techniques with applications
Addison-Wesley, 1986
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Dubois, Didier
Fuzzy sets and systems: theory and applications
Academic Press, 1980
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Terano, Toshiro
Fuzzy systems theory and its applications
Academic Press, 1992
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Ahsan, Javed
Fuzzy semirings with applications to automata theory
[Springer, ], 2012
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Klir, George J.
Fuzzi sets and fuzzy logic : theory and applications
Prentice-Hall, 1995
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