%0 Journal Article %A Kontorovich, Alex %A Oh, Hee %T Apollonian circle packings and closed horospheres on hyperbolic 3-manifolds %J Journal of the American Mathematical Society %D 2011 %P 603-648 %V 24 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-2011-00691-7/ %R 10.1090/S0894-0347-2011-00691-7 %F 10_1090_S0894_0347_2011_00691_7