MOLL, Victor H. The valuation of Catalan numbers. Scientia Series A: Mathematical Sciences, [S. l.], v. 30, p. 7–9, 2020. DOI: 10.71712/6bcn-d881. Disponível em: https://revistas.usm.cl/scientia/article/view/34. Acesso em: 10 oct. 2025.