TY  - JOUR
AU  - ghorbani, zahra
AU  - baradaran, javad
TI  - Some fixed point theorems in C^* -algebra valued b -metric spaces
JO  - Journal of New Researches in Mathematics
VL  - 6
IS  - 5
SP  - 99
EP  - 106
PY  - 2020
DO  - 
ER  -