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
"Goodman, Gerald S. and Yorke, James A.","On the differential equation y' = f(x,y) + ε",,"Aarhus universitet, Matematisk Institut",1967,Preprint series,,,,https://cir.nii.ac.jp/crid/1130290061380362889