Ash, J. Marshall; Plaza, Ángel There is no biggest convergent series. (Spanish) Zbl 1461.40002 Gac. R. Soc. Mat. Esp. 23, No. 2, 262 (2020). MSC: 40A05 PDFBibTeX XMLCite \textit{J. M. Ash} and \textit{Á. Plaza}, Gac. R. Soc. Mat. Esp. 23, No. 2, 262 (2020; Zbl 1461.40002)
Ash, J. Marshall; Plaza, Ángel There is no smallest divergent series. (Spanish) Zbl 1461.40001 Gac. R. Soc. Mat. Esp. 23, No. 2, 242 (2020). MSC: 40A05 PDFBibTeX XMLCite \textit{J. M. Ash} and \textit{Á. Plaza}, Gac. R. Soc. Mat. Esp. 23, No. 2, 242 (2020; Zbl 1461.40001)