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@article{NUMA_1987__51_133195, author = {James Weldon Demmel}, title = {On {Condition} {Numbers} and the {Distance} to the {Nearest} {Ill-posed} {Problem.}}, journal = {Numerische Mathematik}, pages = {251--290}, publisher = {mathdoc}, volume = {51}, year = {1987}, zbl = {0597.65036}, url = {http://geodesic.mathdoc.fr/item/NUMA_1987__51_133195/} }
James Weldon Demmel. On Condition Numbers and the Distance to the Nearest Ill-posed Problem.. Numerische Mathematik, Tome 51 (1987), pp. 251-290. http://geodesic.mathdoc.fr/item/NUMA_1987__51_133195/