NIU, Ruobing. The Residue Theorem: Applications in Complex Integrals. Highlights in Science, Engineering and Technology, [S. l.], v. 88, p. 458–463, 2024. DOI: 10.54097/3hb24375. Disponível em: https://drpress.org/ojs/index.php/HSET/article/view/18971. Acesso em: 15 jan. 2025.