Diviccaro, M. L.; Fisher, B.; Sessa, S. A common fixed point theorem of Greguš type. (English) Zbl 0634.47051 Publ. Math. Debr. 34, No. 1-2, 83-89 (1987). Reviewer: M.S.Khan MSC: 47H10 47H09 54H25 PDFBibTeX XMLCite \textit{M. L. Diviccaro} et al., Publ. Math. Debr. 34, No. 1--2, 83--89 (1987; Zbl 0634.47051)
Diviccaro, M. L.; Sessa, S.; Fisher, B. Common fixed point theorems with a rational inequality. (English) Zbl 0613.54032 Bull. Inst. Math., Acad. Sin. 14, 277-285 (1986). Reviewer: S.N.Mishra MSC: 54H25 PDFBibTeX XMLCite \textit{M. L. Diviccaro} et al., Bull. Inst. Math., Acad. Sin. 14, 277--285 (1986; Zbl 0613.54032)