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
"Walther, Hans-Otto","Hyberbolic [i.e. Hyperbolic] periodic solutions, heteroclinic connections and transversal homoclinic points in autonomous differential delay equations",,American Mathematical Society,1989,Memoirs of the American Mathematical Society,,0821824678,,https://cir.nii.ac.jp/crid/1130282268996054016