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
"Gilbarg, David and Trudinger, Neil S.",Elliptic partial differential equations of second order,2nd ed,Springer-Verlag,1983,Die Grundlehren der mathematischen Wissenschaften,,"354013025X,038713025X",,https://cir.nii.ac.jp/crid/1130282268893823104