%0 Journal Article %A Robert L. Devaney %T Collision Orbits in the Anisotropic Kepler Problem. %J Inventiones mathematicae %D 1978 %P 221-252 %V 45 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1978__45_142546/ %F IM_1978__45_142546