@article{oai:kobe-cufs.repo.nii.ac.jp:00002239,
 author = {佐藤, 通 and Sato, Toru},
 issue = {3},
 journal = {神戸外大論叢, The Kobe Gaidai Ronso : The Kobe City University Journal},
 month = {Sep},
 note = {application/pdf, 神戸市外国語大学},
 pages = {55--77},
 title = {周期的軌道からなる星系の安定性},
 volume = {39},
 year = {1988}
}