%0 Journal Article
%A Pavel Valtr
%T Unit Squares Intersecting All Secants of a Square.
%J Discrete & computational geometry
%D 1994
%P 235-240
%V 11
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DCG_1994__11_3_131300/
%F DCG_1994__11_3_131300