@article{JRAM_1996__477_153837,
     author = {K. Seip and S. Richter and H. Hedenmalm},
     title = {Interpolating sequences and invariant subspaces of given index in the {Bergman} spaces.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {13--30},
     publisher = {mathdoc},
     volume = {477},
     year = {1996},
     zbl = {0895.46023},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1996__477_153837/}
}