R. Hatamleh and V. A. Zolotarev, “On Two-Dimensional Model Representations of One Class of Commuting Operators”, Ukr. Mat. Zhurn., vol. 66, no. 1, pp. 108–127, Jan. 2014, Accessed: Apr. 16, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2115