Dovzhenko О.; POGRIBNYI, V.; CHURSA, Yu. VARIATIONAL METOD APPLIED IN CALCULATION OF KEY JOINT’S STRENGTH IN THE CURRENT CONSTRUCTION SYSTEMS. Academic journal Industrial Machine Building Civil Engineering, [S. l.], v. 2, n. 47, p. 133–139, 2017. Disponível em: https://ojs35.politeh.duckdns.org/znp/article/view/77. Acesso em: 6 jun. 2026.