%0 Journal Article %A McCarthy, Paul J. %T Characterizations of classical polynomials %J Portugaliae mathematica %D 1961 %P 47-52 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1961__20_1_114852/ %G en %F PORMA_1961__20_1_114852