MAHMOOD, A.; QARIAKOS, R. The existence and singularity of the solution to the special integrative equation of Volterra. Journal of Education and Science, [S. l.], v. 18, n. 4, p. 83–95, 2006. DOI: 10.33899/edusj.2006.75271. Disponível em: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/42130. Acesso em: 10 sep. 2025.