Chandok, Sumit; Cho, Yeol Je Coupled common fixed point theorems for the mixed \(g\)-monotone mappings in partially ordered metric spaces. (English) Zbl 1313.47116 An. Univ. Oradea, Fasc. Mat. 21, No. 1, 51-66 (2014). MSC: 47H10 41A50 54H25 PDFBibTeX XMLCite \textit{S. Chandok} and \textit{Y. J. Cho}, An. Univ. Oradea, Fasc. Mat. 21, No. 1, 51--66 (2014; Zbl 1313.47116)
Dragomir, S. S.; Cho, Y. J.; Kim, S. S. Some existence theorems for operatorial equations in Hilbert spaces. (English) Zbl 1061.41026 An. Univ. Oradea, Fasc. Mat. 8, 5-14 (2001-2002). MSC: 41A65 46C20 PDFBibTeX XMLCite \textit{S. S. Dragomir} et al., An. Univ. Oradea, Fasc. Mat. 8, 5--14 (2002; Zbl 1061.41026)