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 "Ruzhansky, Michael and Sadybekov, Makhmud and Suragan, Durvudkhan",Spectral geometry of partial differential operators,,CRC Press,2020,Monographs and research notes in mathematics,,9781138360716,,https://cir.nii.ac.jp/crid/1130003903674996736