%0 Journal Article %A Askey, Richard %A Ismail, Mourad E. H. %T Permutation Problems and Special Functions %J Canadian journal of mathematics %D 1976 %P 853-874 %V 28 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1976-082-8/ %R 10.4153/CJM-1976-082-8 %F 10_4153_CJM_1976_082_8