Moll, Víctor H., Tewodros Amdeberhan, and Luis A. Medina. “The Integrals in Gradshteyn and Ryzhik. Part 5: Some Trigonometric Integrals”. Scientia Series A: Mathematical Sciences 15 (August 8, 2025): 47–60. Accessed August 19, 2025. https://revistas.usm.cl/scientia/article/view/101.