S. A. Spaskov and A. K. Khmyzov, “Boundary value problem for system of finite-difference with averaging equations”, Журнал Белорусского государственного университета. Математика. Информатика, no. 1, pp. 17–28, May 2018, Accessed: Jul. 19, 2026. [Online]. Available: https://journals.bsu.by/index.php/mathematics/article/view/882