An equivalence of results in $C^*$-algebra valued b-metric and b-metric spaces Nguyen Van Dung | Vo Thi Le Hang | Diana Dolicanin-Djekic | Show more Nguyen Van Dung Viet Nam Ton Duc Thang University Vo Thi Le Hang Viet Nam Dong Thap University Diana Dolicanin-Djekic Serbia University of Pristina-Kosovska Mitrovica Submitted: 2016-03-28 | Accepted: 2017-04-15 | Published: 2017-10-02 DOI: https://doi.org/10.4995/agt.2017.5185