%0 Journal Article %A Ryszard Szwarc %T Chain sequences and compact perturbations of orthogonal polynomials. %J Mathematische Zeitschrift %D 1994 %P 57-72 %V 217 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1994__217_1_174680/ %F MZ_1994__217_1_174680