Kosyak, O. V. (2002) “Elementary Representations of the Group $B_0^ℤ$ of Upper-Triangular Matrices Infinite in Both Directions. I”, Ukrains’kyi Matematychnyi Zhurnal, 54(2), pp. 205-216. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4056 (Accessed: 25May2024).