%0 Journal Article %A George Blanton %T Smoothness in disjoint groups of real functions under composition. %J Aequationes mathematicae %D 1988 %P 1-16 %V 35 %N 2-3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1988__35_2-3_137250/ %F AM2_1988__35_2-3_137250