Zygmund, Antoni On the theorem of Fejer-Riesz. (English) Zbl 0060.18803 Bull. Am. Math. Soc. 52, 310-318 (1946). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:approximation and series expansion PDFBibTeX XMLCite \textit{A. Zygmund}, Bull. Am. Math. Soc. 52, 310--318 (1946; Zbl 0060.18803) Full Text: DOI