Brahmagupta [16].
Cardan [93].
abu-l-Chair al-Hasan ibn al-Chammâr [24].
ibn Chaldûn [177] ff.
Châlid ibn Jezîd [23].
Chalîl [36] f.
Chosrau Anoscharwân [20], [22].
Dante [106], [132], [167], [188].
David [27].
Demokrit [74].
Brahmagupta [16].
Cardan [93].
abu-l-Chair al-Hasan ibn al-Chammâr [24].
ibn Chaldûn [177] ff.
Châlid ibn Jezîd [23].
Chalîl [36] f.
Chosrau Anoscharwân [20], [22].
Dante [106], [132], [167], [188].
David [27].
Demokrit [74].