MartynyukD. I., PerestyukN. A. and SamoilenkoA. M. (1994) “Reducibility of nonlinear almost periodic systems of difference equations on an infinite-dimensional torus”, Ukrains’kyi Matematychnyi Zhurnal, 46(9), pp. 1216–1223. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5638 (Accessed: 24November2024).