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Publication:3705921
zbMath0582.42008MaRDI QIDQ3705921
Publication date: 1984
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
weightsFejér meansLebesgue functionsde la Vallée-Poussin meanserrors of approximationbest uniform approximationsdouble orthonormal series
Harmonic analysis in several variables (42B99) Convergence and absolute convergence of Fourier and trigonometric series (42A20)
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