constante d'Euler

[1998] New closed-form approximations of the logarithmic constant e ; Harlan J. Brothers ; John A. Knox ; The Mathematical Intelligencer 20 (1998) p. 25 [lien]
[2005] On the convergence of the sequence defining Euler's number ; Markus Brede ; The Mathematical Intelligencer 27 (2005) p. 6 [lien]
[2006] e: The Master of All ; Brian J. McCartin ; The Mathematical Intelligencer 28 (2006) p. 10 [lien]