著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) POWELL M. J. D.,Some global convergence properties of a variable metric algorithm for minimization without exact line searches,"Nonlinear Programming, SIAM-AMS Proceedings",,,1976,9,,,https://cir.nii.ac.jp/crid/1573105973879273216,