Slyusarchuk, V. Yu. “Generalization of the Mukhamadiev Theorem on the Invertibility of Functional Operators in the Space of Bounded Functions”. Ukrains’kyi Matematychnyi Zhurnal 60, no. 3 (March 25, 2008): 398–412. Accessed March 28, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3163.