TY  - JOUR
AU  - Sawoń, Zbigniew
TI  - Some remarks about the three spaces problem in Banach algebras
JO  - Czechoslovak Mathematical Journal
PY  - 1978
SP  - 56
EP  - 58
VL  - 28
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1978.101513/
DO  - 10.21136/CMJ.1978.101513
LA  - en
ID  - 10_21136_CMJ_1978_101513
ER  -