%0 Journal Article %A Tomonari Suzuki %T Contractive mappings are Kannan mappings, and Kannan mappings are contractive mappings in some sense %J Commentationes Mathematicae %D 2005 %P 43-56 %V 45 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v45i1.5227/ %R 10.14708/cm.v45i1.5227 %G pl %F 10_14708_cm_v45i1_5227