%0 Journal Article %A Martinelli, Maria Renata %T Characteristic functions and -orthogonality properties of Chebyshev polynomials of third and fourth kind. %J Georgian Mathematical Journal %D 2002 %P 331-338 %V 9 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/GMJ_2002__9_2_49979/ %G en %F GMJ_2002__9_2_49979