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 "Lebedev, Leonid P. and Cloud, Michael J.",The calculus of variations and functional analysis : with optimal control and applications in mechanics,,World Scientific,2003,"Series on stability, vibration and control of systems",,9812385819,,https://cir.nii.ac.jp/crid/1130000794981067520