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) E. Brézin and V.A. Kazakov,Exactly solvable field theories of closed strings,Physics Letters B,0370-2693,Elsevier BV,1990-02,236,2,144-150,https://cir.nii.ac.jp/crid/1363670320591212544,https://doi.org/10.1016/0370-2693(90)90818-q