“The Paths of the Roots of the Quadratic Function”. C.Q.D. - Revista Eletrônica Paulista de Matemática 23, no. 2 (December 20, 2023): 36–61. Accessed October 12, 2025. https://sistemas.fc.unesp.br/ojs/index.php/revistacqd/article/view/402.