%0 Journal Article %A Thomas J. Laffey %T The Number of Solutions of x3 = 1 in a 3-Group. %J Mathematische Zeitschrift %D 1976 %P 43-46 %V 149 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1976__149_172379/ %F MZ_1976__149_172379