1. Hill, R. The Mathematical Theory of Plasticity, Oxford University Press, Oxford (1950)
2. Cristescu, N. D. Dynamic Plasticity, World Scientific Publishing Co. Ltd., Singapore (2007)
3. Zienkiewicz, O. C. Flow formulation for numerical solution of forming processes. Numerical Analysis of Forming Processes (eds. Pittman, J. F. T., Zienkiewicz, O. C., Wood, R. D., and Alexander, J. M.), John Wiley and Sons, Chichester, 1–44 (1984)
4. Korneev, V. G. and Langer, U. Approximate Solution of Plastic Flow Theory Problems, B. G. Teubner, Leipzig (1984)
5. Han, W. and Reddy, B. D. Plasticity: Mathematical Theory and Numerical Analysis, Springer-Verlag, New York (1999)