TY - JOUR T1 - The stress function basis of the upper bound theorem of plasticity JO - International Journal of Solids and Structures PY - 2022/03/19 AU - Smith CC AU - Gilbert M ED - DO - DOI: 10.1016/j.ijsolstr.2022.111565 PB - Elsevier BV VL - 244-245 Y2 - 2024/12/28 ER -