%0 Journal Article
%A Wiesław Kułaga
%T Degrees of non-definability of the Sacks model
%J Colloquium Mathematicum
%D 1978
%P 211-213
%V 39
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-39-2-211-213/
%R 10.4064/cm-39-2-211-213
%G en
%F 10_4064_cm_39_2_211_213