Wygralak, Maciej Vaguely defined objects. Representations, fuzzy sets and nonclassical cardinality theory. (English) Zbl 0856.04002 Theory and Decision Library. Series B: Mathematical and Statistical Methods. 33. Dordrecht: Kluwer Academic Publishers. xiv, 265 p. (1996). Reviewer: V.Novák (Ostrava) MSC: 03E72 03E10 03-02 03B50 PDFBibTeX XMLCite \textit{M. Wygralak}, Vaguely defined objects. Representations, fuzzy sets and nonclassical cardinality theory. Dordrecht: Kluwer Academic Publishers (1996; Zbl 0856.04002)
Wygralak, Maciej Erratum: Generalized cardinal numbers and operations on them. (English) Zbl 0824.04006 Fuzzy Sets Syst. 62, No. 3, 375 (1994). MSC: 03E72 03E10 PDFBibTeX XMLCite \textit{M. Wygralak}, Fuzzy Sets Syst. 62, No. 3, 375 (1994; Zbl 0824.04006) Full Text: DOI
Wygralak, Maciej Generalized cardinal numbers and operations on them. (English) Zbl 0797.04005 Fuzzy Sets Syst. 53, No. 1, 49-85 (1993). Reviewer: S.Gottwald (Leipzig) MSC: 03E72 03E10 PDFBibTeX XMLCite \textit{M. Wygralak}, Fuzzy Sets Syst. 53, No. 1, 49--85 (1993; Zbl 0797.04005) Full Text: DOI