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) Hiroshi Kawamoto and Tetsuo Ohmi,Long Wave Length Excitations in Superfluid He4 Films,Progress of theoretical physics = 理論物理学の進歩,0033068X,Kyoto : Publication Office,1979-04,61,4,p983-995,https://cir.nii.ac.jp/crid/1520854805426028160,https://doi.org/10.1143/ptp.61.983