%0 Journal Article %A R.D. James %T The representation of integers as sums of pyramidal numbers . %J Mathematische Annalen %D 1934 %P 196 %V 109 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/MAN_1934__109_159674/ %G un %F MAN_1934__109_159674