著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL ,[The Necessary and Sufficient Conditions under which Two Linear Homogeneous Differential Equations have Integrals in Common,,[s.n.],,Hurwitzshe Sammlung von Sonderabdrücken,,,,https://cir.nii.ac.jp/crid/1130282269026586752