M. Nagaraj, S. Suganya, D. Baleanu, and M. M. Arjunan, “Approximate Controllability Results for Impulsive Partial Functional Nonlocal Integro-differential Evolution Systems through Resolvent Operators”, DNC, vol. 7, no. 3, pp. 305–325, Aug. 2026, doi: 10.5890/DNC.2018.09.008.