Cruz-Barroso, Ruymán; González-Vera, Pablo; Njåstad, Olav On bi-orthogonal systems of trigonometric functions and quadrature formulas for periodic integrands. (English) Zbl 1129.65014 Numer. Algorithms 44, No. 4, 309-333 (2007). Reviewer: Ferenc Móricz (Szeged) MSC: 65D32 65T40 42A16 41A55 PDFBibTeX XMLCite \textit{R. Cruz-Barroso} et al., Numer. Algorithms 44, No. 4, 309--333 (2007; Zbl 1129.65014) Full Text: DOI
Njåstad, Olav; Waadeland, Haakon Generalized Szegö theory in frequency analysis. (English) Zbl 0872.42006 J. Math. Anal. Appl. 206, No. 1, 280-307 (1997). Reviewer: G.López Lagomasino (Leganes) MSC: 42C05 94A11 PDFBibTeX XMLCite \textit{O. Njåstad} and \textit{H. Waadeland}, J. Math. Anal. Appl. 206, No. 1, 280--307 (1997; Zbl 0872.42006) Full Text: DOI