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@article{PMF_1911_22_1_a5, author = {Miller, G. A.}, title = {Extension of a group by operators of orders two and four.}, journal = {Prace Matematyczno-Fizyczne}, pages = {69--71}, publisher = {mathdoc}, volume = {22}, number = {1}, year = {1911}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PMF_1911_22_1_a5/} }
Miller, G. A. Extension of a group by operators of orders two and four.. Prace Matematyczno-Fizyczne, Tome 22 (1911) no. 1, pp. 69-71. http://geodesic.mathdoc.fr/item/PMF_1911_22_1_a5/