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@article{MZ_1983__182_173287, author = {Ursula Martin Webb}, title = {The {Number} of {Stem} {Covers} of an {Elementary} {Abelian} {p-Group.}}, journal = {Mathematische Zeitschrift}, pages = {327--338}, publisher = {mathdoc}, volume = {182}, year = {1983}, zbl = {0512.20034}, url = {http://geodesic.mathdoc.fr/item/MZ_1983__182_173287/} }
Ursula Martin Webb. The Number of Stem Covers of an Elementary Abelian p-Group.. Mathematische Zeitschrift, Tome 182 (1983), pp. 327-338. http://geodesic.mathdoc.fr/item/MZ_1983__182_173287/