@article{NUMA_1975__24_132325,
     author = {E. Deutsch},
     title = {On {Matrix} {Norms} and {Logarithmic} {Norms.}},
     journal = {Numerische Mathematik},
     pages = {49--52},
     publisher = {mathdoc},
     volume = {24},
     year = {1975},
     zbl = {0292.15011},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1975__24_132325/}
}