The integrals in Gradshteyn and Ryzhik. Part 13: Trigonometric forms of the beta function. Scientia Series A: Mathematical Sciences, [S. l.], v. 19, p. 91–96, 2010. Disponível em: https://revistas.usm.cl/scientia/article/view/143.. Acesso em: 19 apr. 2025.