Dahmen, Wolfgang; Gmelig Meyling, R. H. J.; Ursem, J. H. M. Scattered data interpolation by bivariate \(C^ 1\)-piecewise quadratic functions. (English) Zbl 0724.41003 Approximation Theory Appl. 6, No. 3, 6-29 (1990). MSC: 41A05 PDFBibTeX XMLCite \textit{W. Dahmen} et al., Approximation Theory Appl. 6, No. 3, 6--29 (1990; Zbl 0724.41003)
Dahmen, Wolfgang; Micchelli, Charles A. Some remarks on ridge functions. (English) Zbl 0645.41004 Approximation Theory Appl. 3, No. 2-3, 139-144 (1987). Reviewer: S.K.Rangarajan MSC: 41A05 PDFBibTeX XMLCite \textit{W. Dahmen} and \textit{C. A. Micchelli}, Approximation Theory Appl. 3, No. 2--3, 139--144 (1987; Zbl 0645.41004)