1. V. V. Moskvitin, Plasticity under Alternating Loads [in Russian], Izd-vo MGU, Moscow (1965).
2. R. M. Shneiderovich, Stability under Static and Repeated-Static Loadings [in Russian], Mashinovedenie, Moscow (1968).
3. H. Armen, Jr., G. Isakson, and R. Pifko, in: Mechanics [Russian translation], No. 1, Nauka, Moscow (1971).
4. M. V. Gokun, E. Yu. Rivkin, and R. M. Shneiderovich, Mashinovedenie, No. 2 (1971).
5. U. S. Saidkarimov and V. A. Tolok, Prikl. Mekhan.,8, No. 7 (1972).