ABBAS, M.I. 2023. Non-instantaneous impulsive fractional integro-differential equations with proportional fractional derivatives with respect to another function. Studia Universitatis Babeș-Bolyai Mathematica. 68, 3 (Sep. 2023), 543–562. DOI:https://doi.org/10.24193/subbmath.2023.3.07.