Ling, William H. On simultaneous Chebyshev approximation in the ’sum’ norm. (English) Zbl 0296.41020 Proc. Am. Math. Soc. 48, 185-188 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 Documents MSC: 41A50 Best approximation, Chebyshev systems 41A65 Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) PDFBibTeX XMLCite \textit{W. H. Ling}, Proc. Am. Math. Soc. 48, 185--188 (1975; Zbl 0296.41020) Full Text: DOI