SamoilenkoA. M. and TeplinskyY. V. (1998) “Invariant tori of linear countable systems of discrete equations given on an infinite-dimensional torus”, Ukrains’kyi Matematychnyi Zhurnal, 50(2), pp. 244–251. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4958 (Accessed: 6October2024).