Sur la multiplication de séries absolument convergentes par des séries sommables par la méthode de Cesàro by A. F. Andersen (source code)

= Sur la multiplication de séries absolument convergentes par des séries sommables par la méthode de Cesàro by A. F. Andersen
{c}
{tag=Work by A. F. Andersen}
{title2=1918}

By <A. F. Andersen>. Published in Mathematisk-fysiske Meddelelser, volume I, number 4, Det Kgl. Danske Videnskabernes Selskab. The scanned title page names the author and gives Copenhagen and 1918.

Online text: https://gymarkiv.sdu.dk/MFM/kdvs/mfm%201-9/mfm-1-4.pdf

Cited passages: §1, printed p. 3, introduces orders of <Cesàro summation> and cites <Ernesto Cesàro>'s 1890 publication in Bulletin des Sciences Mathématiques, series 2, volume 14, p. 114; §2, pp. 6–7, discusses the multiplication theorem and its role in developing summability theory. The original 1890 paper was not inspected here; the historical citation refers to Andersen's account.