%0 Journal Article
%A Thomas R. Berger
%A John Cossey
%T An Example in the Theory of Normal Fitting Classes.
%J Mathematische Zeitschrift
%D 1977
%P 287-294
%V 154
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1977__154_172536/
%F MZ_1977__154_172536