著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Junichiro Makino,Optimal order and time-step criterion for Aarseth-type N-body integrators,The Astrophysical Journal,0004-637X,American Astronomical Society,1991-03,369,,200,https://cir.nii.ac.jp/crid/1360855569296254080,https://doi.org/10.1086/169751