TY  - JOUR
AU  - W. Żelazko
TI  - A subfield of a complex Banach algebra is not necessarily topologically isomorphic to a subfield of ℂ
JO  - Colloquium Mathematicum
PY  - 1992
SP  - 135
EP  - 137
VL  - 63
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-63-1-135-137/
DO  - 10.4064/cm-63-1-135-137
LA  - en
ID  - 10_4064_cm_63_1_135_137
ER  -