Ramaiah, V. Sita; Suryanarayana, D. Sums of reciprocals of some multiplicative functions. II. (English) Zbl 0448.10041 Indian J. Pure Appl. Math. 11, 1334-1355 (1980). MSC: 11N37 11A25 PDFBibTeX XMLCite \textit{V. S. Ramaiah} and \textit{D. Suryanarayana}, Indian J. Pure Appl. Math. 11, 1334--1355 (1980; Zbl 0448.10041)
Suryanarayana, D.; Hagis, P. jun. A theorem concerning odd perfect numbers. (English) Zbl 0207.05301 Fibonacci Q. 8, 337-346, 374 (1970). Reviewer: D. Suryanarayana MSC: 11A25 PDFBibTeX XML