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Omar Khayyam

Omar Khayyam, arabe en entier Ghiyāth al-Dīn Abū al-Fatḥ ʿUmar ibn Ibrāhīm al-Nīsābūrī al-Khayyāmī, (né le 18 mai 1048, Neyshābūr , Khorāsān -mort […]

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