Hong, Yong A new theorem on convergence of positive series and its application. (Chinese. English summary) Zbl 1063.40500 J. Sichuan Norm. Univ., Nat. Sci. 27, No. 3, 245-247 (2004). MSC: 40A05 Convergence and divergence of series and sequences PDFBibTeX XMLCite \textit{Y. Hong}, J. Sichuan Norm. Univ., Nat. Sci. 27, No. 3, 245--247 (2004; Zbl 1063.40500)