%0 Journal Article
%A Janusz Pawlikowski
%T Selivanovski hard sets are hard
%J Fundamenta Mathematicae
%D 2015
%P 17-25
%V 228
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm228-1-2/
%R 10.4064/fm228-1-2
%G en
%F 10_4064_fm228_1_2