Fisher, Brian; Ray, Barada K. On fixed points for a class of mappings. (English) Zbl 0503.54049 Iraqi J. Sci. 22, 255-259 (1981). MSC: 54H25 PDFBibTeX XMLCite \textit{B. Fisher} and \textit{B. K. Ray}, Iraqi J. Sci. 22, 255--259 (1981; Zbl 0503.54049)
Fisher, Brian A result on fixed points for set-valued mappings. (English) Zbl 0492.54030 Iraqi J. Sci. 21, 464-469 (1980). MSC: 54H25 54C60 PDFBibTeX XMLCite \textit{B. Fisher}, Iraqi J. Sci. 21, 464--469 (1980; Zbl 0492.54030)
Fisher, Brian Results on common fixed points and constant mappings. (English) Zbl 0488.54037 Iraqi J. Sci. 20, 541-551 (1979). MSC: 54H25 PDFBibTeX XMLCite \textit{B. Fisher}, Iraqi J. Sci. 20, 541--551 (1979; Zbl 0488.54037)