MAHMOOD KHALIL, M.; مؤید. Some Theorems and Results on Solution of Kind of Volterra Integral Equations. Journal of Education and Science (JES), [S. l.], v. 29, n. 2, p. 9–25, 2020. DOI: 10.33899/edusj.2020.165298. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/18112. Acesso em: 4 aug. 2025.