KachurikI. I. “$q$-Numbers of Quantum Groups, Fibonacci Numbers, and Orthogonal Polynomials”. Ukrains’kyi Matematychnyi Zhurnal 50, no. 8 (August 25, 1998): 1055-1063. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4854.