%0 Journal Article %A Tan, Kok-Keong %T Uniform Contractification %J Canadian mathematical bulletin %D 1978 %P 93-97 %V 21 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-014-0/ %R 10.4153/CMB-1978-014-0 %F 10_4153_CMB_1978_014_0