Schmidt, Eckard Chebyshev approximation with sums of logarithmic functions. (English) Zbl 0437.41024 J. Approximation Theory 26, 124-131 (1979). MSC: 41A50 × Cite Format Result Cite Review PDF Full Text: DOI
Schmidt, Eckard; Dunham, C. B. Discontinuity of the alternating Chebyshev operator. (English) Zbl 0429.41021 Rocky Mt. J. Math. 9, 355-360 (1979). MSC: 41A50 × Cite Format Result Cite Review PDF Full Text: DOI