@article{IM_1974__27_142311,
     author = {Richard McGehee},
     title = {Triple {Collision} in the {Collinear} {Three-Body} {Problem.}},
     journal = {Inventiones mathematicae},
     pages = {191--228},
     publisher = {mathdoc},
     volume = {27},
     year = {1974},
     zbl = {0297.70011},
     url = {http://geodesic.mathdoc.fr/item/IM_1974__27_142311/}
}