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
"Strodt, Walter",Contributions to the asymptotic theory of ordinary differential equations in the complex domain,,American Mathematical Society,1954,Memoirs of the American Mathematical Society,,,,https://cir.nii.ac.jp/crid/1130282270160673024