@article{10_14708_cm_v45i1_5227,
     author = {Tomonari Suzuki},
     title = {Contractive mappings are {Kannan} mappings, and {Kannan} mappings are contractive mappings in some sense},
     journal = {Commentationes Mathematicae},
     pages = { 43--56},
     year = {2005},
     volume = {45},
     number = {1},
     doi = {10.14708/cm.v45i1.5227},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v45i1.5227/}
}