A special Infeld-Hull factorization is given for the Askey-Wilson second order q-difference operator. It is then shown how to deduce a generalization of the corresponding Askey-Wilson polynomials. (C) 1999 Elsevier Science B.V. All rights reserved.
Bangerezako, G. (1999). The factorization method for the Askey-Wilson polynomials. Journal of Computational and Applied Mathematics, 107(2), 219-232. https://doi.org/10.1016/S0377-0427(99)00090-4 (Original work published 1999)