Full reference OpenMind biblio ref
al-Daffaʿ, ʿAli. 1977. “Thābit Ibn Qurra's Extension Of The Pythagorean Theorem”. In Proceedings Of The First International Symposium For The History Of Arabic Science: University Of Aleppo April 5-12, 1976, 1:145-53. Aleppo: Institute for the History of Arabic Science, University of Aleppo.
{ ʿAli al-Daffaʿ, 1977 #10482 }