Article Vahabzadeh, Bijan (2013)
Le commentaire d'Ibn Mu'Ā sur le concept de rapport. Arabic Sciences and Philosophy (p. 221). (/isis/citation/CBB001321035/) unapi

Chapter Vahabzadeh, Bijan (2004)
`Umar al-Khayyām and the Concept of Irrational Number. In: De Zénon d'Elée à Poincaré: recueil d'études en hommage à Roshdi Rashed (p. 55). (/isis/citation/CBB000650842/) unapi

Article Vahabzadeh, Bijan (2002)
Al-Māhānī's Commentary on the Concept of Ratio. Arabic Sciences and Philosophy (p. 9). (/isis/citation/CBB000200191/) unapi

Book Rashed, Rushdi; Vahabzadeh, Bijan (2000)
Omar Khayyam the Mathematician. (/isis/citation/CBB000102345/) unapi

Book Rashed, Roshdi; Vahabzadeh, Bijan (1999)
Al-Khayyam Mathématicien. (/isis/citation/CBB000100292/) unapi

Article Vahabzadeh, Bijan (1997)
al-Khayyām's conception of ratio and proportionality. Arabic Sciences and Philosophy (pp. 247-263). (/isis/citation/CBB000075093/) unapi

Article Vahabzadeh, Bijan (1994)
Two commentaries on Euclid's definition of proportional magnitudes. Arabic Sciences and Philosophy (pp. 181-198). (/isis/citation/CBB000037182/) unapi