%0 Journal Article %A Rosalind Cecily Young %T Functions of .... defined by addition or functions of intervals in n-dimensional formulation. %J Mathematische Zeitschrift %D 1929 %P 171-216 %V 29 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1929__29_168065/ %F MZ_1929__29_168065