Daum, John A. On certain basic series. (English) Zbl 0063.01052 Bull. Am. Math. Soc. 47, 781-784 (1941). Not reviewed Cited in 2 Documents PDFBibTeX XMLCite \textit{J. A. Daum}, Bull. Am. Math. Soc. 47, 781--784 (1941; Zbl 0063.01052) Full Text: DOI