%0 Journal Article
%A Teruyuki Yorioka
%T Keeping the covering number of the null ideal small
%J Fundamenta Mathematicae
%D 2015
%P 139-159
%V 231
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm231-2-3/
%R 10.4064/fm231-2-3
%G en
%F 10_4064_fm231_2_3