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) Kenta Kobayashi,A constructive a priori error estimation for finite element discretizations in a non-convex domain using singular functions,Japan Journal of Industrial and Applied Mathematics,0916-7005,Springer Science and Business Media LLC,2009-10,26,2-3,493-516,https://cir.nii.ac.jp/crid/1362544420816096896,https://doi.org/10.1007/bf03186546