%0 Journal Article
%A Knüppel, Frieder
%T A Class of Homomorphisms of Pre-Hjelmslev Groups
%J Canadian journal of mathematics
%D 1984
%P 470-494
%V 36
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1984-029-4/
%R 10.4153/CJM-1984-029-4
%F 10_4153_CJM_1984_029_4