Y. A. Mitropolsky, A. K. Prikarpatsky, and V. G. . Samoilenko, “Algebraic scheme of discrete approximations of linear and nonlinear dynamic systems of mathematical physics”, Ukr. Mat. Zhurn., vol. 40, no. 4, pp. 453–458, Jun. 1988, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/9180