G. Manuylov, S. Kosytsyn, and M. Begichev, “ON THE LOSS OF STABILITY AND POSTCRITICAL EQUILIBRIUM OF COMPRESSED THIN-WALLED ANGLE BARS”, IJCCSE, vol. 18, no. 1, pp. 109–118, Mar. 2022, doi: 10.22337/2587-9618-2022-18-1-109-118.