@article{NUMA_1983__42_132884,
     author = {Bernhard Schmitt},
     title = {Norm {Bounds} for {Rational} {Matrix} {Functions.}},
     journal = {Numerische Mathematik},
     pages = {379--389},
     publisher = {mathdoc},
     volume = {42},
     year = {1983},
     zbl = {0541.65022},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1983__42_132884/}
}