BIBLIOGRAPHY REFERENCE: BOOK Büyük matematikçi Ömer Hayyam Author Hâmid Dilgan (Author) Year of Publication 1959 City Istanbul Other Numbers 11483 See reference for OpenMind ISMI items with this reference Person: Ġiyāṯ al-Dīn Abū al-Fatḥ ʿUmar ibn Ibrāhīm al-Ḫayyāmī al-Nīšāpūrī