Bernard Roussel (1937-2021) Published 2021-08-01 HTML Copyright (c) 2021 Librairie Droz Philippe Büttgen Université Paris 1 Panthéon-Sorbonne How to Cite More Citation Formats ACM Chicago Harvard Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX Issue Vol. 6 n° 2 (2021)