%0 Journal Article
%A Christian Herrmann
%T On the Word Problem for the Modular Lattice with Four Free Generators.
%J Mathematische Annalen
%D 1983
%P 513-528
%V 265
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1983__265_163836/
%F MAN_1983__265_163836