%0 Journal Article
%A Wolfgang P. Kappe
%T Properties of Groups Related to the Second Center.
%J Mathematische Zeitschrift
%D 1967
%P 356-368
%V 101
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1967__101_170851/
%F MZ_1967__101_170851