1. Abramowitz, M., Stegun, I.: Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables. US Government Printing Office (1964); (We quote from the tenth printing (1970): there are subtle, but occasionally significant, changes between printings)
2. Anonymous. Wikipedia, Français (2007),
http://fr.wikipedia.org
3. Bourbaki, N.: Eléments de Mathématiques: Algèbre. C.C.L.S., Paris (1970)
4. World-Wide Web Consortium. Mathematical Markup Language (MathML) Version 3.0. W3C Working Draft (2008),
http://www.w3.org/TR/2007/WD-MathML3-20080409
5. Corless, R.M., Davenport, J.H., Jeffrey, D.J., Watt, S.M.: According to Abramowitz and Stegun. SIGSAM Bulletin 2 34, 58–65 (2000)