%0 Journal Article
%A S. Shelah
%A L. Strüngmann
%T The $p$-rank of $\operatorname{Ext}_\mathbb Z(G,\mathbb Z)$ in certain models of~$ZFC$
%J Algebra i logika
%D 2007
%P 369-397
%V 46
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_2007_46_3_a5/
%G ru
%F AL_2007_46_3_a5