%0 Journal Article
%A Chih-Han Sah
%T On the normality of Hall subgroups in finite groups.
%J Mathematische Zeitschrift
%D 1963
%P 243-246
%V 82
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1963__82_170187/
%F MZ_1963__82_170187