RAHMAN MOHAMMED, Hisham. Approximation methods in the theory of operator inclusions. Journal of Al-Qadisiyah for Computer Science and Mathematics, [S. l.], v. 1, n. 1, p. 89–104, 2017. Disponível em: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/170. Acesso em: 15 nov. 2024.