%0 Journal Article
%A Fitzpatrick, Simon
%A Calvert, Bruce
%T Sets invariant under projections onto  two dimensional subspaces
%J Commentationes Mathematicae Universitatis Carolinae
%D 1991
%P 233-239
%V 32
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1991__32_2_a4/
%G en
%F CMUC_1991__32_2_a4