TY  - JOUR
AU  - Ng, Kai-Wang
TI  - A Remark on Contractive Mappings
JO  - Canadian mathematical bulletin
PY  - 1970
SP  - 111
EP  - 113
VL  - 13
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-022-9/
DO  - 10.4153/CMB-1970-022-9
ID  - 10_4153_CMB_1970_022_9
ER  -