On arithmetic and geometry : an Arabic critical edition and English translation of Epistles 1 & 2 /
Ikhwān al-Ṣafāʼ.
El-Bizri, Nader.
Institute of Ismaili Studies.
Oxford : Oxford University Press in association with the Institute of Ismaili Studies,
2012.
Includes bibliographical references and index.
Ikhwān al-Ṣafāʼ.
Mathematics, Arab.
Mathematics
Metaphysics.