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 "Löbach, Dominique",Interior stress regularity for the Prandtl Reuss and Hencky model of perfect plasticity using the Perzyna approximation,,Rheinische Friedrich-Wilhelms-Universität,2007,Bonner mathematische Schriften,,,,https://cir.nii.ac.jp/crid/1130282271661115264