Sahu, D. R.; Diwan, S. D. Common fixed point theorem for Gregus type mappings in a metric space without convexity. (English) Zbl 1133.54026 Indian J. Math. 49, No. 2, 165-174 (2007). Reviewer: Peter Zabreiko (Minsk) MSC: 54H25 47H10 47H09 PDFBibTeX XMLCite \textit{D. R. Sahu} and \textit{S. D. Diwan}, Indian J. Math. 49, No. 2, 165--174 (2007; Zbl 1133.54026)
Sahu, D. R.; Diwan, S. D. \(D^*_S\)-compatibility and common fixed points. (English) Zbl 1266.54095 Int. J. Appl. Math. Anal. Appl. 1, No. 2, 277-283 (2006). MSC: 54H25 PDFBibTeX XMLCite \textit{D. R. Sahu} and \textit{S. D. Diwan}, Int. J. Appl. Math. Anal. Appl. 1, No. 2, 277--283 (2006; Zbl 1266.54095)
Beg, Ismat; Sahu, D. R.; Diwan, S. D. Approximation of fixed points of uniformly \(R\)-subweakly commuting mappings. (English) Zbl 1111.47056 J. Math. Anal. Appl. 324, No. 2, 1105-1114 (2006). Reviewer: Jürgen Appell (Würzburg) MSC: 47J25 47H10 47H09 65J15 PDFBibTeX XMLCite \textit{I. Beg} et al., J. Math. Anal. Appl. 324, No. 2, 1105--1114 (2006; Zbl 1111.47056) Full Text: DOI
Sahu, D. R.; Diwan, S. D. Approximation of common fixed point for a couple of quasi-contractive mappings in convex metric space. (English) Zbl 1139.47326 Jñānābha 35, 167-174 (2005). Reviewer: Mikhail Yu. Kokurin (Yoshkar-Ola) MSC: 47J25 54H25 PDFBibTeX XMLCite \textit{D. R. Sahu} and \textit{S. D. Diwan}, Jñānābha 35, 167--174 (2005; Zbl 1139.47326)