@article{IM_1993__113_2_144120,
     author = {Kristian Seip},
     title = {Beurling type density theorems in the unit disk.},
     journal = {Inventiones mathematicae},
     pages = {21--40},
     publisher = {mathdoc},
     volume = {113},
     number = {2},
     year = {1993},
     zbl = {0789.30025},
     url = {http://geodesic.mathdoc.fr/item/IM_1993__113_2_144120/}
}