Please add spaces between words: ItisimpossibleinanarticlelikethistogivemuchinthewayofdetailsoftheimpressivepublicationsbyAskeyontheharmonicanalysisofspecialfunctions,orthogonalpolynomialsandspecialfunctions,andspecialfunctionsrelatedtogrouptheory.
It is impossible in an article like this to give much in the way of details of the impressive publications by Askey on the harmonic analysis of special functions, orthogonal polynomials and special functions, and special functions related to group theory.