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Publication:3719203
zbMath0591.41014MaRDI QIDQ3719203
Publication date: 1984
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Best approximation, Chebyshev systems (41A50) Approximation by operators (in particular, by integral operators) (41A35) Approximation by other special function classes (41A30) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)
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