Bashir Ahmad, Ahmed Alsaedi, Mona Alsulami, and Sotiris K. Ntouyas, “A study of a coupled system of nonlinear second-order ordinary differential equations with nonlocal integral multi-strip boundary conditions on an arbitrary domain”, Journal of Computational Analysis and Applications (JoCAAA), vol. 29, no. 2, pp. 215–235, Mar. 2021.