Bich, Dao Huy, and Vu Khac Bay. “Influence of the Hardening Characteristics of Material on the Critical Load in the Elasto-Plastic Stability Problem of Conical Shells”. Vietnam Journal of Mechanics 28, no. 2 (August 1, 2006): 111–119. Accessed November 9, 2025. https://vjmech.vast.vn/vjmech/article/view/5571.