Bakhvalov, N. S. On the optimality of linear methods for operator approximation in convex classes of functions. (English) Zbl 0254.41013 U.S.S.R. Comput. Math. Math. Phys. 11(1971), No. 4, 244-249 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 46 Documents MSC: 41A65 Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) 41A45 Approximation by arbitrary linear expressions PDFBibTeX XMLCite \textit{N. S. Bakhvalov}, U.S.S.R. Comput. Math. Math. Phys. 11, No. 4, 244--249 (1973; Zbl 0254.41013) Full Text: DOI