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 "Rockland, Charles",Hypoellipticity and eigenvalue asymptotics,,Springer-Verlag,1975,Lecture notes in mathematics,,"354007175X,038707175X",,https://cir.nii.ac.jp/crid/1130282271679470720