scientific article; zbMATH DE number 5591972
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Publication:5324700
zbMath1199.41150MaRDI QIDQ5324700
Publication date: 8 August 2009
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Approximation by arbitrary nonlinear expressions; widths and entropy (41A46) Trigonometric polynomials, inequalities, extremal problems (42A05)
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