1. Augustin Cauchy,Oeuvres Complètes, Sér. 2., vol. 3, Gauthier-Villars, Paris, 1897, pp. 375–377.
2. The Small Group-Discovery Method as Applied in Calculus Instruction
3. Donald E. Knuth,The Art of Computer Programming, 3rd edition, vol. 1 (Fundamental Algorithms), Addison-Wesley, Reading, MA, 1997, p. 86.
4. Steven G. Krantz,Mathematical Apocrypha, Mathematical Association of America, Washington, DC, 2002, p. 168.
5. Unusually large gaps between consecutive primes