@article{MZ_1994__217_1_174680,
     author = {Ryszard Szwarc},
     title = {Chain sequences and compact perturbations of orthogonal polynomials.},
     journal = {Mathematische Zeitschrift},
     pages = {57--72},
     publisher = {mathdoc},
     volume = {217},
     number = {1},
     year = {1994},
     zbl = {0807.42018},
     url = {http://geodesic.mathdoc.fr/item/MZ_1994__217_1_174680/}
}