TY  - JOUR
AU  - A. Deif
TI  - A Relative Backward Perturbation Theorem for the Eigenvalue Problem.
JO  - Numerische Mathematik
PY  - 1989
SP  - 625
EP  - 626
VL  - 56
IS  - 2-3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NUMA_1989__56_2-3_133416/
ID  - NUMA_1989__56_2-3_133416
ER  -