@article{NUMA_1961__3_131494,
     author = {A.S. HOUSEHOLDER and F.L. BAUER},
     title = {Absolute norms and characteristic roots.},
     journal = {Numerische Mathematik},
     pages = {241--246},
     publisher = {mathdoc},
     volume = {3},
     year = {1961},
     zbl = {0111.01601},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1961__3_131494/}
}