%0 Journal Article %A Lorente, Miguel %T Creation and annihilation operators for orthogonal polynomials of continuous and discrete variables %J Electronic transactions on numerical analysis %D 1999 %P 102-111 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_1999__9__a4/ %G en %F ETNA_1999__9__a4