Quan, L.T., and T. Van An. “On the Solutions of a Class of Nonlinear Integral Equations in Cone $b$-Metric Spaces over Banach Algebras”. Carpathian Mathematical Publications 11, no. 1 (June 30, 2019): 163–178. Accessed November 22, 2024. https://ktipe.pnu.edu.ua/index.php/cmp/article/view/1518.