Iorgov, N. Z., and A. M. Gavrilik. “$q$-Deformed Algebras $U_q(so_n)$ and Their Representations”. Methods of Functional Analysis and Topology 3, no. 4 (December 25, 1997): 51–63. Accessed December 19, 2025. https://zen.imath.kiev.ua/index.php/mfat/article/view/48.