Beyond two: theory and applications of multiple-valued logic / Melvin Fitting, Ewa OrĊowska, editors. - Heidelberg ; New York : Physica-Verlag, cop. 2003. - X, 374 s. : wykr. ; 24 cm. - Studies in Fuzziness and Soft Computing vol. 114 . Bibliogr. przy rozdz. ISBN: 3790815411 Subjects--Topical Terms: Logika wielowartoĊciowa.