http://hdl.handle.net/10854/1901/ore.xml 2012-10-16T09:39:23Z 2012-10-16T09:39:23Z RIUVic Infinitely many periodic orbits for the rhomboidal five-body problem Corbera Subirana, Montserrat Llibre, Jaume 2012-10-16T09:39:23Z ORIGINAL TEXT