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)
B. L. Feigin and D. B. Fuks,Invariant skew-symmetric differential operators on the line and Verma modules over the Virasoro algebra,Functional Analysis and Its Applications,0016-2663,Springer Science and Business Media LLC,1982-04,16,2,114-126,https://cir.nii.ac.jp/crid/1361137045872995072,https://doi.org/10.1007/bf01081626