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@article{AL_1970_9_1_a0, author = {V. G. Berkovich}, title = {Groups of order $p^n$ that admit an automorphism of order}, journal = {Algebra i logika}, pages = {3--8}, publisher = {mathdoc}, volume = {9}, number = {1}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1970_9_1_a0/} }
V. G. Berkovich. Groups of order $p^n$ that admit an automorphism of order. Algebra i logika, Tome 9 (1970) no. 1, pp. 3-8. http://geodesic.mathdoc.fr/item/AL_1970_9_1_a0/