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
"Dreher, Michael and Witt, Ingo",Edge Sobolev spaces and weakly hyperbolic equations,,"Institute of Mathematics, University of Tsukuba",2000,Mathematical research note,,,,https://cir.nii.ac.jp/crid/1130000795105446784