著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Kurokawa, Yuki",The sharp lifespan of radially symmetric solutions to nonlinear wave systems in even space dimensions,,"Institute of Mathematics, University of Tsukuba",2004,Mathematical research note,,,,https://cir.nii.ac.jp/crid/1130282269838031232