WITNESS

Maqālah fī sharḥ al-nisbah_Algiers_Bibliothèque nationale dʾAlgérie_unknown collection (Algiers Museum)_1446

References

Plooij, Edward. 1950. “Euclid's Conception Of Ratio And His Definition Of Proportional Magnitudes As Criticized By Arabian Commentators”. Rotterdam: W. J. van Hengel.

Pp. 15-47.