@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/