%0 Journal Article %A E. Straume %T A geometric study of many body systems %J Lobachevskii journal of mathematics %D 2006 %P 73-134 %V 24 %I mathdoc %U http://geodesic.mathdoc.fr/item/LJM_2006_24_a5/ %G en %F LJM_2006_24_a5