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) 永井 敦,The Best Constant of Discrete Sobolev InequalityCorresponding to a Bending Problem of a String,Kumamoto Journal of Mathematics,,,2012,25巻,,1-15,https://cir.nii.ac.jp/crid/1010000782079864321,