Kössler, M. On the zeros of analytic functions. (English) JFM 48.0403.04 Proc. Lond. Math. Soc. (2) 20, 16-18 (1922). MSC: 30-XX Functions of a complex variable PDF BibTeX XML Cite \textit{M. Kössler}, Proc. Lond. Math. Soc. (2) 20, XVI-XVIII (1922; JFM 48.0403.04)