@article{GDZPPN002419270, title = {An Example in the Theory of Normal Fitting Classes.}, journal = {Mathematische Zeitschrift}, volume = {154}, year = {1977}, pages = {287-294}, zbl = {0336.20012}, url = {http://dml.mathdoc.fr/item/GDZPPN002419270} }
Berger, Thomas R.; Cossey, John. An Example in the Theory of Normal Fitting Classes.. Mathematische Zeitschrift, Tome 154 (1977) pp. 287-294. http://gdmltest.u-ga.fr/item/GDZPPN002419270/