^The encyclopaedia of Islam = Encyclopédie de l'Islam (New ed.). Leiden [u.a.]: Brill. 1993. p. 405. ISBN9004094199. MUHAMMAD B. CISA B. AHMAD AL-MAHANI, Abu cAbd Allah, Persian mathematician and astronomer of the 3rd/9th century, who is known to have made observations at Baghdad from the years 239/854 to 252/866.|first1= missing |last1= in Authors list (help)
^Donzel, E. J. van (1 January 1994). Islamic Desk Reference. BRILL. p. 287. ISBN90-04-09738-4. Muhammad b. Isa* al-Mahani: Persian mathematician and astronomer; ixth c. He wrote commentaries on Euclid's Elements, on Archimedes, and a partial revision of the deficient translation of the Spherics of Menelaus.
H. Suter, Die Mathematiker und Astronomen der Araber 26, 1900. His failure to solve the Archimedean problem is quoted by 'Omar al-Khayyami'). See Fr. Woepcke, L'algebra d'Omar Alkhayyami 2, 96 sq. (Paris, 1851).