Rizvi SH. Epistles of the Brethren of Purity. On Arithmetic and geometry: An Arabic Critical Edition and English Translation of EPISTLES 1 & 2 By Nader El-Bizri, ed. and trans. (Oxford, NY: Oxford University Press in association with the Institute of Ismaili Studies, 2012. 400 pages.). AJIS [Internet]. 2014 Jan. 1 [cited 2024 Jul. 5];31(1):116-20. Available from: https://mail.ajis.org/index.php/ajiss/article/view/1027