著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
Katsumi Nomizu and Hideki Ozeki,The existence of complete Riemannian metrics,Proceedings of the American Mathematical Society,0002-9939,American Mathematical Society (AMS),1961-12,12,6,889-891,https://cir.nii.ac.jp/crid/1363951794073159552,https://doi.org/10.1090/s0002-9939-1961-0133785-8