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@article{AL_1973_12_3_a8, author = {K. W. Roggenkamp}, title = {Relation modules of finite groups and related topics}, journal = {Algebra i logika}, pages = {351--359}, publisher = {mathdoc}, volume = {12}, number = {3}, year = {1973}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AL_1973_12_3_a8/} }
K. W. Roggenkamp. Relation modules of finite groups and related topics. Algebra i logika, Tome 12 (1973) no. 3, pp. 351-359. http://geodesic.mathdoc.fr/item/AL_1973_12_3_a8/