%0 Journal Article %A Jens Erik Fenstad %T On ...-groups of uniformly continuous functions. I. Approximation theory. %J Mathematische Zeitschrift %D 1963 %P 434-444 %V 82 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1963__82_170204/ %F MZ_1963__82_170204