Mahini, M., Moharrami, H. and Cocchetti, G. (2013) “A dissipated energy maximization approach to elastic-perfectly plastic analysis of planar frames”, Archives of Mechanics, 65(3), pp. 171–194. Available at: https://am.ippt.pan.pl/index.php/am/article/view/v65p171 (Accessed: 12 December 2025).