%0 Journal Article %A Alain Chenciner %A Richard Montgomery %T A remarkable periodic solution of the three-body problem in the case of equal masses %J Annals of mathematics %D 2000 %V 152 %N 3 %U http://geodesic.mathdoc.fr/articles/10.2307/2661357/ %R 10.2307/2661357 %F 10_2307_2661357