@article{05171527,
title = {Kinematic geometry of triangles and the study of the three-body problem.},
journal = {Lobachevskii Journal of Mathematics},
volume = {25},
year = {2007},
pages = {9-130},
zbl = {1118.53011},
language = {en},
url = {http://dml.mathdoc.fr/item/05171527}
}
Hsiang, Wu-Yi; Straume, Eldar. Kinematic geometry of triangles and the study of the three-body problem.. Lobachevskii Journal of Mathematics, Tome 25 (2007) pp. 9-130. http://gdmltest.u-ga.fr/item/05171527/