N. BUTRIS, Raad; T. QADER , Sebar. Some Theorems in the Existence, Uniqueness and Stability solutions of Volterra Integrals Equations. Academic Journal of Nawroz University (AJNU), [S. l.], v. 8, n. 4, 2019. Disponível em: https://journals.nawroz.edu.krd/files/article/view/702. Acesso em: 10 sep. 2026.