CAROTENUTO, Concetta. Observations on selected variants of Fibonacci’s Liber Abaci. Reti Medievali Rivista, [S. l.], v. 14, n. 2, p. 175–188, 2013. DOI: 10.6092/1593-2214/399. Disponível em: https://serena.sharepress.it/index.php/rm/article/view/4988. Acesso em: 7 nov. 2025.