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
"Piaggio, H. T. H. (Henry Thomas Herbert)",An elementary treatise on differential equations and their applications,"New edition, revised and enlarged",G. Bell and sons,1928,Bell's mathematical series,,,,https://cir.nii.ac.jp/crid/1130282273051068288