TY  - JOUR
AU  - Wawrzyńczyk, Antoni
TI  - Subsets of nonempty joint spectrum in topological algebras
JO  - Mathematica Bohemica
PY  - 2018
SP  - 441
EP  - 448
VL  - 143
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/MB.2018.0098-17/
DO  - 10.21136/MB.2018.0098-17
LA  - en
ID  - 10_21136_MB_2018_0098_17
ER  -