%0 Journal Article
%A Zhang, Y.
%A Wang, Y.
%T Uniquely covered radical classes of $\ell$-groups
%J Czechoslovak Mathematical Journal
%D 2001
%P 473-476
%V 51
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMJ_2001__51_3_a2/
%G en
%F CMJ_2001__51_3_a2