%0 Journal Article %A TH¢GER BANG %T The theory of metric spaces applied to infinitely differentiable functions %J Mathematica Scandinavica %D 1953 %P 137-152 %V 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1953__1_165496/ %F MS2_1953__1_165496