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) Masato Tanaka and Masaki Fujikawa and Daniel Balzani and Jörg Schröder,Robust numerical calculation of tangent moduli at finite strains based on complex-step derivative approximation and its application to localization analysis,Computer Methods in Applied Mechanics and Engineering,0045-7825,Elsevier BV,2014-02,269,,454-470,https://cir.nii.ac.jp/crid/1362825893658164864,https://doi.org/10.1016/j.cma.2013.11.005