“On the Regularization of the Cauchy Problem for a System of Linear Difference Equations”. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics 88 (December 13, 2018): 27–34. Accessed October 24, 2026. https://periodicals.karazin.ua/mech_math/article/view/12136.