@article{NUMA_1968__12_131880,
     author = {P.A. BUSINGER},
     title = {Matrices {Which} {Can} be {Optimally} {Scaled.}},
     journal = {Numerische Mathematik},
     pages = {346--348},
     publisher = {mathdoc},
     volume = {12},
     year = {1968},
     zbl = {0167.15603},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1968__12_131880/}
}