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)
,Geometry of linear differential systems towards contact geometry of second order. Symmetries and overdetermined systems of partial differential equations,IMA Vol. Math. Appl.(Springer) 144,,,2008,,,151-203,https://cir.nii.ac.jp/crid/1010282257422893446,