Risālah-ʼi usṭurlāb-i Kūshyār Gīlānī = Risālah-yi usṭurlāb-i Kūshyār Gīlānī /

by Kūshyār ibn Labbān, approximately 971-approximately 1029, Kūshyār ibn Labbān, approximately 971-approximately 1029
Published 2014