@article{JRAM_1992__426_153403,
     author = {J\"org Eschmeier},
     title = {Bishop's condition ({\ss}) and joint invariant subspaces.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--22},
     year = {1992},
     volume = {426},
     zbl = {0745.47008},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1992__426_153403/}
}