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Publication:3315960
zbMath0533.41031MaRDI QIDQ3315960
Publication date: 1980
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Approximation with constraints (41A29) Approximation by polynomials (41A10) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)
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