TY  - JOUR
AU  - J.E. OSBORN
TI  - A Note on a Perturbation Theorem for the Matrix Eigenvalue Problem.
JO  - Numerische Mathematik
PY  - 1969
SP  - 152
EP  - 153
VL  - 13
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NUMA_1969__13_131906/
ID  - NUMA_1969__13_131906
ER  -