%0 Journal Article
%A K. Kedem
%A Ron Livne
%A János Pach
%A Micha Sharir
%T On the Union of Jordan Regions and Collision-Free Translational Motion Amidst Polygonal Obstacles.
%J Discrete & computational geometry
%D 1986
%P 59-72
%V 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DCG_1986__1_130981/
%F DCG_1986__1_130981