@article{JRAM_1994__448_153597,
     author = {Carl Sundberg and S. Richter and W.T. Ross},
     title = {Hyperinvariant subspaces of the harmonic {Dirichlet} space.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--26},
     publisher = {mathdoc},
     volume = {448},
     year = {1994},
     zbl = {0785.31005},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1994__448_153597/}
}