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@article{MZ_1976__151_172438, author = {Martin L. Newell}, title = {Normal and {Power} {Endomorphisms} of a {Group.}}, journal = {Mathematische Zeitschrift}, pages = {139--142}, publisher = {mathdoc}, volume = {151}, year = {1976}, zbl = {0324.20044}, url = {http://geodesic.mathdoc.fr/item/MZ_1976__151_172438/} }
Martin L. Newell. Normal and Power Endomorphisms of a Group.. Mathematische Zeitschrift, Tome 151 (1976), pp. 139-142. http://geodesic.mathdoc.fr/item/MZ_1976__151_172438/