%0 Journal Article %A W.-Y. Hsiang %A E. Straume %T Kinematic geometry of triangles and the study of the three-body problem %J Lobachevskii journal of mathematics %D 2007 %P 9-130 %V 25 %I mathdoc %U http://geodesic.mathdoc.fr/item/LJM_2007_25_a1/ %G en %F LJM_2007_25_a1