Wang, Quanlong Chebyshev approximation with weight and its application. (English) Zbl 0932.41025 J. Math. Study 30, No. 3, 260-263 (1997). The author states the Chebyshev alternation theorem for the weighted best polynomial approximation and shows the advantage of its application. Reviewer: M.Lenard (Kuwait) MSC: 41A50 Best approximation, Chebyshev systems Keywords:Chebyshev approximation with weight; weighted Chebyshev alternation theorem PDF BibTeX XML Cite \textit{Q. Wang}, J. Math. Study 30, No. 3, 260--263 (1997; Zbl 0932.41025)