Karande, B. D., and S. N. Kondekar. “Existence of Solution to a Quadratic Functional Integro-Differential Fractional Equation”. Communications in Mathematics and Applications 11, no. 4 (December 31, 2020): 635–650. Accessed August 18, 2025. https://www.journals.rgnpublications.com/index.php/cma/article/view/1425.