Full reference OpenMind biblio ref
Saidan, Ahmad. 1978. “Hawla Khawass Al-a’dad Li-Abi Ja’far Muhammad Ibn Al-Husayn: Nazariyya Al-Muthallathat Al-’adadiyya Li-Abi Ja’far Al-Khazin”. Dirasat Majalla ’ilmiyya Tasdir ’an Al-Jami’a Al-Urduniyya 5 (2): 7-49.
{ Ahmad Saidan, 1978 #10658 }