@article{10_4153_CMB_1981_019_3,
     author = {Goebel, Kazimierz and Koter, Ma{\l}gorzata},
     title = {A {Remark} on {Nonexpansive} {Mappings}},
     journal = {Canadian mathematical bulletin},
     pages = {113--115},
     year = {1981},
     volume = {24},
     number = {1},
     doi = {10.4153/CMB-1981-019-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-019-3/}
}