@article{JRAM_1992__426_153404,
     author = {F.-H. Vasilescu and E.J. Ionascu},
     title = {Joint spectral properties for permutable linear transformations.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {23--46},
     publisher = {mathdoc},
     volume = {426},
     year = {1992},
     zbl = {0745.47007},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1992__426_153404/}
}