%0 Journal Article %A H. S. M. Coxeter %T Five Spheres in Mutual Contact %J Journal for geometry and graphics %D 2000 %P 109-114 %V 4 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JGG_2000_4_2_a0/ %F JGG_2000_4_2_a0