Sendov, Bl.; Popov, V. A. On a generalization of Jackson’s theorem for best approximation. (English) Zbl 0266.41013 J. Approximation Theory 9, 102-111 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 5 Documents MSC: 41A50 Best approximation, Chebyshev systems 41A25 Rate of convergence, degree of approximation 42A10 Trigonometric approximation PDFBibTeX XMLCite \textit{Bl. Sendov} and \textit{V. A. Popov}, J. Approx. Theory 9, 102--111 (1973; Zbl 0266.41013) Full Text: DOI References: [1] Sendov, Bl, Several questions on the theory of continuous functions and polynomials in a Hausdorff metric, Uspehi Math. Nauk, 24, 141-178 (1969) · Zbl 1097.30002 [2] Sendov, Bl, Approximation of functions with algebraic polynomials with respect to a metric of Hausdorff type, Godišnik Sofia University, Fiz.-Math. Facs, 55, 1-39 (1962) · Zbl 1031.30004 [3] V. A. PopovDokl. Bulgarian Acad. Sc.; V. A. PopovDokl. Bulgarian Acad. Sc. [4] Natahson, I. P., Constructive theory of functions (1949), Moscow [5] Nikol’ski, S. M., Continuous Functions of Many Variables, and Enclosure Theorems (1969), Nauka: Nauka Moscow [6] Achiezer, N. I., Lectures on approximation theory (1965), Nauka: Nauka Moscow This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. In some cases that data have been complemented/enhanced by data from zbMATH Open. This attempts to reflect the references listed in the original paper as accurately as possible without claiming completeness or a perfect matching.