Mordeson, John N. Fuzzy commutative algebra / John N. Mordeson, D.S. Malik. - Singapore ; River Edge, NJ : World Scientific, c1998. - xvii, 405 p. ; Subjects--Topical Terms: Commutative algebra.Fuzzy sets. Subjects--Index Terms: Commutative algebra Universal Decimal Class. No.: 512.715 / MOR