1. S. É. Umanskii, Optimizing Approximate Methods of Solving Boundary-Value Problems in Mechanics [in Russian], Naukova Dumka, Kiev (1983).
2. D. M. Norris, M. Van Thiel, and B. Moran, ?Computer simulation of large displacement impact dynamics,? SAE Preprints, No. 770055, 1?10 (1977).
3. P. Pezzina, Main Problems of Viscoplasticity [Russian translation], Mir, Moscow (1968).
4. O. Zienkiewicz, Finite Element Method in Technology [Russian translation], Mir, Moscow (1975).
5. G. V. Stepanov and V. V. Kharchenko, ?Relationship between stresses and strains in metal at high strain rates,? Probl. Prochn., No. 11, 32?37 (1984).