出典:Wikipedia
出典:『Wikipedia』 (2011/06/09 19:26 UTC 版)
Abul-Hasan Kūshyār ibn Labbān ibn Bashahri Gilani (971–1029), also known as Kūshyār Gīlānī (Persian: کوشیار گیلانی), was a Persian mathematician, geographer, and astronomer from Gilan, south of the Caspian Sea, Iran.