A. M. A. El-Sayed, and Y. M. Y. Omar. “On a Delay Volterra-Stieltjes Quadratic Integral Equation”. Malaya Journal of Matematik 8, no. 04 (October 1, 2020): 1392–1398. Accessed November 21, 2024. https://www.malayajournal.org/index.php/mjm/article/view/1627.