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) Kang Feng and Meng-zhao Qin,The symplectic methods for the computation of hamiltonian equations,Lecture Notes in Mathematics,0075-8434,Springer Berlin Heidelberg,1987,,,1-37,https://cir.nii.ac.jp/crid/1363951796195862272,https://doi.org/10.1007/bfb0078537