Volume & Issue: Volume 1, Issue 1, Autumn 2016, Page 1-146 (This issue has been completed) 
4. Fixed points of contractions and cyclic contractions on $C^{*}$-algebra-valued $b$-metric spaces

Page 92-103

Zoran Kadelburg; Antonella Nastasi; Stojan Radenovic; Pasquale Vetro