%0 Journal Article %A Boyd, D.W. %A Wong, J. S. W. %T Another Proof of the Contraction Mapping Principle %J Canadian mathematical bulletin %D 1968 %P 605-606 %V 11 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1968-075-1/ %R 10.4153/CMB-1968-075-1 %F 10_4153_CMB_1968_075_1