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)
F. Dumortier and R. Roussarie and J. Sotomayor,"Generic 3-parameter families of vector fields on the plane, unfolding a singularity with nilpotent linear part. The cusp case of codimension 3",Ergodic Theory and Dynamical Systems,0143-3857,Cambridge University Press (CUP),1987-09,7,3,375-413,https://cir.nii.ac.jp/crid/1360292619160423424,https://doi.org/10.1017/s0143385700004119