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) Nariai Hidekazu,On the gravitational instability in an expanding universe.Reformulation of Lifshitz's theory,Progress of theoretical physics = 理論物理学の進歩,0033068X,Kyoto : Publication Office,1967-01,37,1,60-74,https://cir.nii.ac.jp/crid/1523106604586452992,https://doi.org/10.1143/ptp.37.60