TY  - JOUR
AU  - Heydarbeygi, Z.
AU  - Moosavi, B.
AU  - Shah Hosseini, M.
TI  - A note on spectral mapping theorem
JO  - Journal of Linear and Topological Algebra
VL  - 7
IS  - 4
SP  - 269
EP  - 272
PY  - 2018
DO  - 
ER  -