@article{GDZPPN001186825, title = {Backward perturbation analysis of certian characteristic subspaces.}, journal = {Numerische Mathematik}, volume = {66}, year = {1993}, pages = {357-382}, zbl = {0791.65023}, url = {http://dml.mathdoc.fr/item/GDZPPN001186825} }
Sun, Ji-guang. Backward perturbation analysis of certian characteristic subspaces.. Numerische Mathematik, Tome 66 (1993) pp. 357-382. http://gdmltest.u-ga.fr/item/GDZPPN001186825/