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
"上見, 練太郎 and Takamura, H.",Remarks on representations of solutions to the wave equation,,"Institute of Mathematics, University of Tsukuba",1994,Mathematical research note,,,,https://cir.nii.ac.jp/crid/1130855953970785686