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@article{MZ_1968__107_171079, author = {Christopher D.H. Cooper}, title = {Power {Automorphisms} of a {Group.}}, journal = {Mathematische Zeitschrift}, pages = {335--356}, publisher = {mathdoc}, volume = {107}, year = {1968}, zbl = {0169.33801}, url = {http://geodesic.mathdoc.fr/item/MZ_1968__107_171079/} }
Christopher D.H. Cooper. Power Automorphisms of a Group.. Mathematische Zeitschrift, Tome 107 (1968), pp. 335-356. http://geodesic.mathdoc.fr/item/MZ_1968__107_171079/