BANACH S. Sur Les Opérations Dans Les Ensembles Abstraits et Leurs Applictions Aux quations Intégrals [J]. Fundam Math, 1922(3): 133-181.
CZERWIK S. Contraction Mappings in b-Metric Spaces [J]. Acta Mathemaic Et Informatica Universitis Ostraviensis, 1993, 1(1): 5-11.
KAMRAN T, POSTOLACHE M A, GHIURA S, et al. The Banach Contraction Principle in C*-Algebra-Valued b-Metric Spaces with Application [J]. Fixed Point Theory and Appl, 2016, 2016(1): 1-7. doi: 10.1186/s13663-015-0491-2
MA Z, JIANG L, SUN H. C*-Algebra Valued Metric Spaces and Related Fixed Point Theorems [J]. Fixed Point Theory Appl, 2014, 206: 1-11.
MA Z H, JIANG LN, XIN Q L. Fixed Point Theorems on Operator-Valued Metric Space [J]. Beijing Inst Techol, 2014, 34(10): 1078-1080.
BATUL S, KAMRAN T. C*-Valued Contractive Type Mappings [J]. Fixed Point Theory and Applications, 2015, 2015(1): 1-9. doi: 10.1186/1687-1812-2015-1
李健, 邓磊.偏b-度量空间中的公共不动点定理[J].西南大学学报(自然科学版), 2015, 37(8): 87-91.