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@article{CM_1969__21_3_247_0, author = {Ayoub, Christine W.}, title = {On finite primary rings and their groups of units}, journal = {Compositio Mathematica}, pages = {247--252}, publisher = {Wolters-Noordhoff Publishing}, volume = {21}, number = {3}, year = {1969}, mrnumber = {249419}, zbl = {0186.35202}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1969__21_3_247_0/} }
Ayoub, Christine W. On finite primary rings and their groups of units. Compositio Mathematica, Tome 21 (1969) no. 3, pp. 247-252. http://geodesic.mathdoc.fr/item/CM_1969__21_3_247_0/