de Jong, C.; Hope-Jones, W. Ludolph (or Ludolff or Lucius) van Ceulen. (English) Zbl 0019.10102 Math. Gaz. 22, 281-282 (1938). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:History PDFBibTeX XMLCite \textit{C. de Jong} and \textit{W. Hope-Jones}, Math. Gaz. 22, 281--282 (1938; Zbl 0019.10102) Full Text: DOI