%0 Journal Article
%A Martin Huber
%A Paul C. Eklof
%T Abelian group extensions and the axiom of constructibility.
%J Commentarii mathematici Helvetici
%D 1979
%P 440-457
%V 54
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1979__54_139796/
%F CMH_1979__54_139796