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@article{NUMA_1962__4_131527, author = {J. STOER and C. WITZGALL}, title = {Transformations by {Diagonal} {Matrices} in a {Normed} {Space.}}, journal = {Numerische Mathematik}, pages = {158--171}, publisher = {mathdoc}, volume = {4}, year = {1962}, zbl = {0117.11101}, url = {http://geodesic.mathdoc.fr/item/NUMA_1962__4_131527/} }
J. STOER; C. WITZGALL. Transformations by Diagonal Matrices in a Normed Space.. Numerische Mathematik, Tome 4 (1962), pp. 158-171. http://geodesic.mathdoc.fr/item/NUMA_1962__4_131527/