TY  - JOUR
AU  - Reich, Simeon
TI  - Some Remarks Concerning Contraction Mappings
JO  - Canadian mathematical bulletin
PY  - 1971
SP  - 121
EP  - 124
VL  - 14
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-024-9/
DO  - 10.4153/CMB-1971-024-9
ID  - 10_4153_CMB_1971_024_9
ER  -