%0 Journal Article %A Kirk, W. A. %T On successive approximations for nonexpansive mappings in Banach spaces† %J Glasgow mathematical journal %D 1971 %P 6-9 %V 12 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001063/ %R 10.1017/S0017089500001063 %F 10_1017_S0017089500001063