Xu, Yang. Lattice-valued logic : an alternative approach to treat fuzziness and incomparability / by Yang Xu... et al. . - / . - NewYork : Springer , 2003. - 390p. : figures ; 24cm . Includes index ISBN: 9783540401759 EUR114.95 Subjects--Index Terms: FUZZY SET Dewey Class. No.: 511.33 / XU/L