L. Tidke, Haribhau, and Gajanan S. Patil. “EXISTENCE OF SOLUTIONS FOR NONLINEAR VOLTERRA FREDHOLM INTEGRODIFFERENTIAL EQUATION OF HIGHER ORDER VIA $S$-ITERATION METHOD”. Advances in Differential Equations and Control Processes 30, no. 3 (June 28, 2023). Accessed February 5, 2025. https://ojs.acad-pub.com/index.php/ADECP/article/view/2414.