https://1life2013.sharepoint.com/:w:/r/sites/OPENPROD/Documents%20partages/Technique/O%20-%20Openprod%20-%20Aide%20et%20proc%C3%A9dures%20internes/Ventes/Proc%C3%A9dure%20-%20Calcul%20de%20la%20date%20%C3%A0%20partir%20de%20nombre%20de%20semaine.docx?d=wbce4438fc92640bb822a25a00e398452&csf=1&web=1&e=hmraz1Procédure - Calcul de la date à partir du nombre de semaine