factorielle
1921 / History of Symbols for n-Factorial / Florian Cajori / Isis 3 (1921) p. 414 [lien]
1991 / The early history of the factorial function / Jacques Dutka / Archive for history of exact sciences 43 (1991) p. 225 [doi]
2009 / [Dossier] La factorielle / / Tangente 131 (2009) p. 37