Sidon, S. Über Fourier-Reihen mit Lücken. (German) Zbl 0015.25503 Compos. Math. 4, 78-81 (1936). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:Approximation of functions, orthogonal series developments PDFBibTeX XMLCite \textit{S. Sidon}, Compos. Math. 4, 78--81 (1936; Zbl 0015.25503) Full Text: Numdam EuDML