1992

An introduction to fuzzy logic applications in intelligent systems./Edt. R. R. Yager, L. A. Zadeh.-Boston: Kluwer Academic, 1992.-VI, 356 p.

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1987

Zadeh, Lotfi. Fuzzy sets and applications. Selected papers./Edt. R. R. Yager.-New York: Wiley, 1987.-684 p.