1. The Method of Perturbations in the Theory of an Elasto-Plastic Solid;Ivlev,1978
2. The Elasto-Plastic Problem;Annin,1983
3. Application of the method of perturbations in the theory of the torsion of elasto-plastic rods;Bykovtsev;PMM,1981
4. The plane elasto-plastic problem;Galin;PMM,1946
5. Some Fundamental Problems of the Mathematical Theory of Elasticity;Muskhelishvili,1966