QI, Feng. A determinantal representation for derangement numbers. Global Journal of Mathematical Analysis, [S. l.], v. 4, n. 3, p. 17–17, 2016. DOI: 10.14419/gjma.v4i3.6574. Disponível em: https://sciencepubco.com/index.php/GJMA/article/view/6574.. Acesso em: 18 apr. 2025.