%0 Journal Article
%A Zelený, Miroslav
%A Pelant, Jan
%T The structure of the $\sigma$-ideal of $\sigma$-porous sets
%J Commentationes Mathematicae Universitatis Carolinae
%D 2004
%P 37-72
%V 45
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_2004__45_1_a3/
%G en
%F CMUC_2004__45_1_a3