Mordeson, John N. Fuzzy mathematics 2nd ed. John N. Mordeson, Premchand S. Nair. - 2nd ed. - Heidelberg ; New York : Physica-Verlag, c2001. - xiii, 310 p. : ill. ; - Studies in fuzziness and soft computing, 20 1434-9922 ; . Subjects--Topical Terms: Fuzzy mathematics. Subjects--Index Terms: Fuzzy mathematics. Universal Decimal Class. No.: 510 / MOR