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) Kawati Shozi,"Unitarity,factorization theorem and removal of level degeneracy in dual resonance model",Progress of theoretical physics = 理論物理学の進歩,0033068X,Kyoto : Publication Office,1971-08,46,2,609-613,https://cir.nii.ac.jp/crid/1520291855719963264,https://doi.org/10.1143/ptp.46.609