M. Mallika Arjunan. “Integral Solutions of Fractional Neutral Mixed Type Integro-Differential Systems With Non-Instantaneous Impulses in Banach Space”. Malaya Journal of Matematik, vol. 9, no. 01, Jan. 2021, pp. 244-6, https://www.malayajournal.org/index.php/mjm/article/view/1007.