M. Mallika Arjunan. “On Fractional Volterra-Fredholm Integro-Differential Systems With Non-Dense Domain and Non-Instantaneous Impulses”. Malaya Journal of Matematik 8, no. 04 (October 1, 2020): 2228–2232. Accessed November 21, 2024. https://www.malayajournal.org/index.php/mjm/article/view/1888.