Mahini, M.R., H. Moharrami, and G. Cocchetti. “A Dissipated Energy Maximization Approach to Elastic-Perfectly Plastic Analysis of Planar Frames”. Archives of Mechanics 65, no. 3 (June 30, 2013): 171–194. Accessed March 3, 2026. http://am.ippt.gov.pl/index.php/am/article/view/v65p171.