E. H. H. Doha, M. A. A. Abdelkawy, A. Z. Z. Amin, and D. Baleanu, “Shifted Jacobi spectral collocation method with convergence analysis for solving integro-differential equations and system of integro-differential equations”, NAMC, vol. 24, no. 3, pp. 332–352, Apr. 2019, doi: 10.15388/NA.2019.3.2.