Zahn, C. T. jun. Approximating symmetric relations by equivalence relations. (English) Zbl 0129.16003 J. Soc. Ind. Appl. Math. 12, 840-847 (1964). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 21 Documents Keywords:topology PDF BibTeX XML Cite \textit{C. T. Zahn jun.}, J. Soc. Ind. Appl. Math. 12, 840--847 (1964; Zbl 0129.16003) Full Text: DOI OpenURL