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Publication:3967924
zbMath0502.41008MaRDI QIDQ3967924
Publication date: 1980
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Best approximation, Chebyshev systems (41A50) Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)
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