[1]
K. M. Gulov and N. A. Perestyuk, “Integral sets of systems of difference equations”, Ukr. Mat. Zhurn., vol. 45, no. 12, pp. 1613–1621, Dec. 1993, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5968