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 "Klingenberg, Wilhelm and Conference Board of the Mathematical Sciences Regional Conference",Closed geodesics on Riemannian manifolds,,Published for the Conference Board of the Mathematical Sciences by the American Mathematical Society,1983,Regional conference series in mathematics,,082180703X,,https://cir.nii.ac.jp/crid/1130282269912324608