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
"Peetre, Jaak",Elliptic partial differential equations of higher order,,"University of Maryland, Institute for Fluid Dynamics and Applied Mathematics",1962,University of Maryland. the Institute for Fluid Dynamics and Applied Mathematics. Lecture series,,,,https://cir.nii.ac.jp/crid/1130000794508444032