Karkauskas, Romanas. “Optimisation of Geometrically non‐linear elastic‐plastic Structures in the State Prior to Plastic Collapse”. Journal of Civil Engineering and Management 13, no. 3 (September 30, 2007): 183-192. Accessed November 20, 2024. https://bme.vgtu.lt/index.php/JCEM/article/view/7679.