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@article{JRAM_1973__0262_0263_151354, author = {Wolfgang Liebert}, title = {The {Jacobson} radical of some endomorphism rings.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {166--170}, publisher = {mathdoc}, volume = {0262_0263}, year = {1973}, zbl = {0266.16004}, url = {http://geodesic.mathdoc.fr/item/JRAM_1973__0262_0263_151354/} }
Wolfgang Liebert. The Jacobson radical of some endomorphism rings.. Journal für die reine und angewandte Mathematik, 0262_0263 (1973), pp. 166-170. http://geodesic.mathdoc.fr/item/JRAM_1973__0262_0263_151354/