Personal name:	Ibn Sahl, al-Ala sec. X
Seen from:	Abu Sad al-Ala' ibn Sahl
Source data found:	LC in VIAF National library of Israel in VIAF KVK in VIAF (Abu Sad al-Ala' ibn Sahl)
Biogr. or hist. data:	Matematico, fisico
	161946