@article{GDZPPN001185616, title = {On condition numbers of a nondefective multiple eigenvalue.}, journal = {Numerische Mathematik}, volume = {63}, year = {1992}, pages = {265-276}, zbl = {0754.15014}, url = {http://dml.mathdoc.fr/item/GDZPPN001185616} }
Sun, Ji-guang. On condition numbers of a nondefective multiple eigenvalue.. Numerische Mathematik, Tome 63 (1992) pp. 265-276. http://gdmltest.u-ga.fr/item/GDZPPN001185616/