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) Yuta WAKASUGI,Some examples causing energy growth for solutions to wave equations,"Proceedings of the Japan Academy. Series. A, Mathematical sciences",03862194,Tokyo : Japan Academy,2011-10,87,8,136-141,https://cir.nii.ac.jp/crid/1520573331048821120,