TY  - JOUR
AU  - Singh, S.P.
AU  - Russell, W.
TI  - A Note on a Sequence of Contraction Mappings
JO  - Canadian mathematical bulletin
PY  - 1969
SP  - 513
EP  - 516
VL  - 12
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-068-2/
DO  - 10.4153/CMB-1969-068-2
ID  - 10_4153_CMB_1969_068_2
ER  -