TY  - JOUR
AU  - Zemánek, Jaroslav
TI  - Concerning spectral characterizations of the radical in Banach algebras
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1976
SP  - 689
EP  - 691
VL  - 17
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1976__17_4_a6/
LA  - en
ID  - CMUC_1976__17_4_a6
ER  -