Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1982__39_132794, author = {A. Shapiro}, title = {Optimally {Scaled} {Matrices,} {Necessary} and {Sufficient} {Conditions.}}, journal = {Numerische Mathematik}, pages = {239--246}, publisher = {mathdoc}, volume = {39}, year = {1982}, zbl = {0472.65038}, url = {http://geodesic.mathdoc.fr/item/NUMA_1982__39_132794/} }
A. Shapiro. Optimally Scaled Matrices, Necessary and Sufficient Conditions.. Numerische Mathematik, Tome 39 (1982), pp. 239-246. http://geodesic.mathdoc.fr/item/NUMA_1982__39_132794/