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
"Hackbusch, Wolfgang",Elliptic differential equations : theory and numerical treatment,2nd ed,Springer,2017,Springer series in computational mathematics,,9783662549605,,https://cir.nii.ac.jp/crid/1130282273046017664