TY  - JOUR
AU  - Rajendra Bhatia
AU  - Driss Drissi
TI  - Perturbation theorems for Hermitian elements in Banach algebras
JO  - Studia Mathematica
PY  - 1999
SP  - 111
EP  - 117
VL  - 134
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-134-2-111-117/
DO  - 10.4064/sm-134-2-111-117
LA  - en
ID  - 10_4064_sm_134_2_111_117
ER  -