1. V. V. Sokolovskii, Theory of Plasticity (Vysshaya Shkola, Moscow, 1969) [in Russian].
2. W. Prager and P. G. Hodge, Theory of Perfectly Plastic Solids (Wiley, New York, 1951; Inostr. Lit., Moscow, 1956).
3. D. D. Ivlev, Theory of Ideal Plasticity (Nauka, Moscow, 1966) [in Russian].
4. D. D. Ivlev, Mechanics of Plastic Media, Vol. 2: General Problems. Rigidplastic and Elastoplastic States of Bodies. Strengthening. Deformation Theories. Complicated Media (Fizmatlit, Moscow, 2002) [in Russian].
5. W. Olszak, J. Rychlewski and W. Urbanowski, Plasticity under Non-Homogenous Conditions (Academic Press, New York and London, 1962; Mir, Moscow, 1964).