Gorbachuk, V. I., and M. L. Gorbachuk. “On the Behavior of Orbits of Uniformly Stable Semigroups at Infinity”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 58, no. 2, Feb. 2006, pp. 148–159, https://umj.imath.kiev.ua/index.php/umj/article/view/3443.