%0 Journal Article
%A Zofia Adamowicz
%T Perfect set theorems for $Π^1_2$ in the universe without choice
%J Fundamenta Mathematicae
%D 1983
%P 11-31
%V 118
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-118-1-11-31/
%R 10.4064/fm-118-1-11-31
%G en
%F 10_4064_fm_118_1_11_31