Natanson, I. P. Constructive function theory. Vol. III: Interpolation and approximation. Quadratures. (English) Zbl 0178.39701 New York: Frederick Ungar Publishing Co. 1965. 176 p. (1965). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 56 Documents Keywords:approximation and series expansion PDFBibTeX XML