%0 Journal Article
%A Klaška, Jiří
%T Criteria for testing Wall's question
%J Czechoslovak Mathematical Journal
%D 2008
%P 1241-1246
%V 58
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMJ_2008__58_4_a27/
%G en
%F CMJ_2008__58_4_a27