JournalsmagNo. 102p. 45ICMI ColumnJean-Luc DorierUniversité de Genève, Genève 4, SwitzerlandDownload PDFThis article is published open access.Cite this articleJean-Luc Dorier, ICMI Column. EMS Newsl. 102 (2016), p. 45DOI 10.4171/NEWS/102/11