Richard Askey, Mourad E. H. Ismail, Tom Koornwinder. Weighted Permutation Problems and Laguerre Polynomials. Journal of Combinatorial Theory, Series A, 25(3):277-287, 1978.
@article{AskeyIK78, title = {Weighted Permutation Problems and Laguerre Polynomials}, author = {Richard Askey and Mourad E. H. Ismail and Tom Koornwinder}, year = {1978}, tags = {e-science}, researchr = {https://researchr.org/publication/AskeyIK78}, cites = {0}, citedby = {0}, journal = {Journal of Combinatorial Theory, Series A}, volume = {25}, number = {3}, pages = {277-287}, }