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@article{LJM_2007_25_a1, author = {W.-Y. Hsiang and E. Straume}, title = {Kinematic geometry of triangles and the study of the three-body problem}, journal = {Lobachevskii journal of mathematics}, pages = {9--130}, publisher = {mathdoc}, volume = {25}, year = {2007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/LJM_2007_25_a1/} }
W.-Y. Hsiang; E. Straume. Kinematic geometry of triangles and the study of the three-body problem. Lobachevskii journal of mathematics, Tome 25 (2007), pp. 9-130. http://geodesic.mathdoc.fr/item/LJM_2007_25_a1/