Bingelė, K. and Štikonas, A. 2024. Investigation of a discrete Sturm–Liouville problem with two-point nonlocal boundary condition and natural approximation of a derivative in boundary condition. Mathematical Modelling and Analysis. 29, 2 (Mar. 2024), 309–330. DOI:https://doi.org/10.3846/mma.2024.19829.