References for al-Nasawi

1. A S Saidan, Biography in Dictionary of Scientific Biography (New York 1970-1990).
   http://www.encyclopedia.com/doc/1G2-2830903109.html

Articles:

2. Abu-al-Hasan Ali ibn Ahmad an-Nasawi, An account of Indian arithmetic (Russian), Istor.-Mat. Issled. No. 15 (1963), 381-430.
3. J Ragep and E S Kennedy, A description of Zahiriyya (Damascus) MS 4871 : a philosophical and scientific collection, J. Hist. Arabic Sci. 5 (1-2) (1981), 85-108.

November 1999