%0 Journal Article
%A Reich, Simeon
%A Zaslavski, Alexander J.
%T Best approximations and porous sets
%J Commentationes Mathematicae Universitatis Carolinae
%D 2003
%P 681-689
%V 44
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_2003__44_4_a11/
%G en
%F CMUC_2003__44_4_a11