CARLITZ, L. Note on a $q$-identity. MATHEMATICA SCANDINAVICA, [S. l.], v. 3, p. 281–282, 1955. DOI: 10.7146/math.scand.a-10447. Disponível em: https://www.mscand.dk/article/view/10447. Acesso em: 1 may. 2024.