TY  - JOUR
AU  - Vern Paulsen
TI  - The group of invertible elements in a Banach algebra
JO  - Colloquium Mathematicum
PY  - 1982
SP  - 97
EP  - 100
VL  - 47
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-47-1-97-100/
DO  - 10.4064/cm-47-1-97-100
LA  - en
ID  - 10_4064_cm_47_1_97_100
ER  -