Groza V. A. “Quantum Algebras, Q-Polynomials of Kravchuk and Q-Functions of Kravchuk-Meixner ”. Ukrains’kyi Matematychnyi Zhurnal 44, no. 7 (August 3, 1992): 983-986. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/8130.