Savalia, Rajesh V., and B. I. Dave. “A General Inversion Pair and P-Deformation of Askey Scheme”. The Journal of the Indian Mathematical Society 86, no. 3-4 (August 22, 2019): 296–314. Accessed May 3, 2024. http://www.informaticsjournals.com/index.php/jims/article/view/22515.