%0 Journal Article
%A Hanna Neumann
%T On varieties of groups and their associated near-rings.
%J Mathematische Zeitschrift
%D 1956
%P 36-69
%V 65
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1956__65_169585/
%F MZ_1956__65_169585