scientific article; zbMATH DE number 3449212

zbMath0286.42012MaRDI QIDQ4774522

Richard Criegers, Robert Piessens

Publication date: 1974

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

Mathematics Subject Classification ID

Fourier series in special orthogonal functions (Legendre polynomials, Walsh functions, etc.) (42C10) Computation of special functions and constants, construction of tables (65D20) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Fourier coefficients, Fourier series of functions with special properties, special Fourier series (42A16)

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A remark on best \(L^ 1\)-approximation by polynomials

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