Dovzhenko О., V. Pogribnyi, and Yu. Chursa. “VARIATIONAL METOD APPLIED IN CALCULATION OF KEY JOINT’S STRENGTH IN THE CURRENT CONSTRUCTION SYSTEMS”. Academic journal Industrial Machine Building Civil Engineering 2, no. 47 (April 4, 2017): 133–139. Accessed April 6, 2025. https://journals.nupp.edu.ua/znp/article/view/77.