Lenski, Wlodzimierz On the strong approximation of functions belonging to the space \(L^q(1\leq q\leq\infty)\). (English) Zbl 0385.42002 Funct. Approximatio, Comment. Math. 6, 153-166 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 42A10 Trigonometric approximation 42A24 Summability and absolute summability of Fourier and trigonometric series PDFBibTeX XMLCite \textit{W. Lenski}, Funct. Approximatio, Comment. Math. 6, 153--166 (1978; Zbl 0385.42002)