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 and 高村, 博之",Critical curve for p-q systems of nonlinear wave equations in three space dimensions,,"Institute of Mathematics, University of Tsukuba",1998,Mathematical research note,,,,https://cir.nii.ac.jp/crid/1130000795155924224