KosyakO. V. “Elementary Representations of the Group $B_0^ℤ$ of Upper-Triangular Matrices Infinite in Both Directions. I”. Ukrains’kyi Matematychnyi Zhurnal 54, no. 2 (February 25, 2002): 205-216. Accessed November 25, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4056.