FARHADIAN, Reza; JAKIMCZUK, Rafael. A further generalization of $\lim_{n\to\infty}\sqrt[n]{n!}/n = 1/e$. Annales Mathematicae Silesianae, [S. l.], v. 36, n. 2, p. 167–175, 2022. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/13549. Acesso em: 15 dec. 2025.