%0 Journal Article %A M.J. Frank %T Associativity in a Class of Operations on Spaces of Distribution Functions. (Short Communication). %J Aequationes mathematicae %D 1974 %P 317-317 %V 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1974__11_136470/ %F AM2_1974__11_136470