ZHANG, Nan; ZHANG, Lingling; NGUNGU, Mercy; ADENIJI, Adejimi; ADDAI, Emmanuel. Existence, uniqueness and parameter perturbation analysis results of a fractional integro-differential boundary problem. Bulletin of the Polish Academy of Sciences Technical Sciences, [S. l.], v. 71, n. 4, p. e145938, 2023. DOI: 10.24425/bpasts.2023.145938. Disponível em: https://wydawnictwo.pan.pl/index.php/bpasts/article/view/3439. Acesso em: 31 aug. 2026.