JavaScript is disabled on your browser. Please enable JavaScript to use all the features on this page.Journal of Mathematical Analysis and ApplicationsVolume 42, Issue 1, April 1973, Pages 191-197Invariance and the n-body problemAuthor links open overlay panelJohn DavidLoganShow morehttps://doi.org/10.1016/0022-247X(73)90131-5Get rights and contentUnder an Elsevier user licenseopen archivePrevious article in issueNext article in issueDownload full text in PDFRecommended articlesCiting articles (0)View AbstractCopyright © 1973 Published by Elsevier Inc.