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) Lee Smolin,Quantization of unimodular gravity and the cosmological constant problems,Physical Review D,1550-7998,American Physical Society (APS),2009-10-02,80,8,084003,https://cir.nii.ac.jp/crid/1360011144891797504,https://doi.org/10.1103/physrevd.80.084003