ShakoorА., M. Samar, T. Athar, and M. Saddique. “Results for Retarded Nonlinear Integral Inequalities With Mixed Powers and Their Applications to Delay Integro-Differential Equations”. Ukrains’kyi Matematychnyi Zhurnal 75, no. 3 (April 11, 2023): 416 - 429. Accessed January 16, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/6903.