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) KLEIMAN R. E.,Boundary integral equations for the three dimensional Helmholtz equation,SIAM Rev.,,,1974,16,,214-236,https://cir.nii.ac.jp/crid/1572261551286002816,