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@article{PORMA_1989__46_2_115658, author = {Brison, Owen J.}, title = {An example in the theory of fitting classes}, journal = {Portugaliae mathematica}, pages = {155--158}, publisher = {mathdoc}, volume = {46}, number = {2}, year = {1989}, mrnumber = {1020963}, zbl = {0689.20017}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1989__46_2_115658/} }
Brison, Owen J. An example in the theory of fitting classes. Portugaliae mathematica, Tome 46 (1989) no. 2, pp. 155-158. http://geodesic.mathdoc.fr/item/PORMA_1989__46_2_115658/