H. MOLL, Victor. The integral of Wallis. Scientia Series A: Mathematical Sciences, [S. l.], v. 33, p. 13–20, 2023. DOI: 10.71712/fzme-rs40. Disponível em: https://revistas.usm.cl/scientia/article/view/3. Acesso em: 28 sep. 2025.