Abstract metric spaces and Hardy-Rogers-type theorems. - Slobodan Radojevic; Ljiljana Paunovic; Stojan Radenovic (Appl. Math. Lett., 2011)

Remarks on "Cone metric spaces and fixed point theorems of T-Kannan and T-Chatterjea contractive mappings". - Milanka Filipovic; Ljiljana Paunovic; Stojan Radenovic; Miloje Rajovic (Math. Comput. Model., 2011)