[1]
D. I. Martynyuk, N. A. Perestyuk, and A. M. Samoilenko, “Reducibility of nonlinear almost periodic systems of difference equations on an infinite-dimensional torus”, Ukr. Mat. Zhurn., vol. 46, no. 9, pp. 1216–1223, Sep. 1994, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5638