MAHMOOD, A.; اکرم; QARIAKOS, R.; رائد. The existence and singularity of the solution to the special integrative equation of Volterra. Journal of Education and Science (JES), [S. l.], v. 18, n. 4, p. 83–95, 2006. DOI: 10.33899/edusj.2006.75271. Disponível em: https://rjps.uomosul.edu.iq/edusj/article/view/18015. Acesso em: 4 aug. 2025.