The, Vu Van, and Tran Ba Tinh. “A New Displacement Bound Technique for Rigid Plastic Continua Subjected to Strong Dynamic Loading at Large Deflections”. Vietnam Journal of Mechanics 9, no. 2 (June 30, 1987): 24–28. Accessed November 8, 2025. https://vjmech.vast.vn/vjmech/article/view/10346.