@article{10_1017_S0017089500001063,
     author = {Kirk, W. A.},
     title = {On successive approximations for nonexpansive mappings in {Banach} spaces{\textdagger}},
     journal = {Glasgow mathematical journal},
     pages = {6--9},
     year = {1971},
     volume = {12},
     number = {1},
     doi = {10.1017/S0017089500001063},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001063/}
}