%0 Journal Article
%A Yasushi Hirata
%A Nobuyuki Kemoto
%T Separating by $G_{\delta }$-sets in finite powers of $\omega _1$
%J Fundamenta Mathematicae
%D 2003
%P 83-94
%V 177
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm177-1-5/
%R 10.4064/fm177-1-5
%G en
%F 10_4064_fm177_1_5