Zhuk, V. V. Some sharp inequalities between best approximations and moduli of continuity. (Russian) Zbl 0231.42004 Sib. Mat. Zh. 12, 1283-1291 (1971). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 8 Documents MSC: 42A10 Trigonometric approximation 41A50 Best approximation, Chebyshev systems Citations:Zbl 0243.42001 PDFBibTeX XMLCite \textit{V. V. Zhuk}, Sib. Mat. Zh. 12, 1283--1291 (1971; Zbl 0231.42004) Full Text: EuDML