%0 Journal Article
%A Bican, Ladislav
%T On torsionfree classes which are not precover classes
%J Czechoslovak Mathematical Journal
%D 2008
%P 561-568
%V 58
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMJ_2008__58_2_a18/
%G en
%F CMJ_2008__58_2_a18