1. General Theorems of the Theory of Elastic-Plstic Media;Koiter,1961
2. Structure Analysis Taking Account of Plastic Deformations;Hodge,1963
3. Optimum design of structures made of elastic-plastic materials;Banichuk,1986
4. Mathematical Theory of Plasticity;Hill,1956
5. Plasticity and Rupture of Solids;Nadai,1954