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@article{MZ_1976__149_172379, author = {Thomas J. Laffey}, title = {The {Number} of {Solutions} of x3 = 1 in a {3-Group.}}, journal = {Mathematische Zeitschrift}, pages = {43--46}, publisher = {mathdoc}, volume = {149}, year = {1976}, zbl = {0314.20020}, url = {http://geodesic.mathdoc.fr/item/MZ_1976__149_172379/} }
Thomas J. Laffey. The Number of Solutions of x3 = 1 in a 3-Group.. Mathematische Zeitschrift, Tome 149 (1976), pp. 43-46. http://geodesic.mathdoc.fr/item/MZ_1976__149_172379/