KACHURIK, I. I. $q$-Numbers of quantum groups, Fibonacci numbers, and orthogonal polynomials. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 50, n. 8, p. 1055–1063, 1998. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4854. Acesso em: 5 dec. 2025.