Zhang N, Zhang L, Ngungu M, Adeniji A, Addai E. Existence, uniqueness and parameter perturbation analysis results of a fractional integro-differential boundary problem. Bull. Pol. Acad. Sci. Tech. Sci. [Internet]. 2023 Jun. 30 [cited 2026 Aug. 30];71(4):e145938. Available from: https://wydawnictwo.pan.pl/index.php/bpasts/article/view/3439