Teplins’kyi, O. Y. “Limiting Absorbing Belt for a Quasiperiodically Driven Mapping of the Shift of Intervals”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 61, no. 3, Mar. 2009, pp. 408-17, https://umj.imath.kiev.ua/index.php/umj/article/view/3029.