Leindler, L. On the strong approximation of orthogonal series. (English) Zbl 0305.42014 Acta Sci. Math. 37, 87-94 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 7 Documents MSC: 42C15 General harmonic expansions, frames 42C05 Orthogonal functions and polynomials, general theory of nontrigonometric harmonic analysis 41A45 Approximation by arbitrary linear expressions PDFBibTeX XMLCite \textit{L. Leindler}, Acta Sci. Math. 37, 87--94 (1975; Zbl 0305.42014)