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) Tomohiro Harada and B J Carr and Takahisa Igata,Complete conformal classification of the Friedmann–Lemaître–Robertson–Walker solutions with a linear equation of state,Classical and Quantum Gravity,0264-9381,IOP Publishing,2018-04-12,35,10,105011,https://cir.nii.ac.jp/crid/1360285709400545280,https://doi.org/10.1088/1361-6382/aab99f