1. I. L. Dikovich, Statics of Elastoplastic Beams in Ship Structures [in Russian], Sudostroentie, Leningrad (1967).
2. N. F. Ershov, “A method to analyze the elastoplastic state of plates,” Prikl. Mekh., 1, No. 8, 47 – 56 (1965).
3. N. F. Ershov and O. I. Svechnikov, Limiting State and Reliability of Structures of River Boats [in Russian], Sudostroentie, Leningrad (1970).
4. V. K. Kachurin, Theory of Suspension Systems [in Russian], Gosstroiizdat, Moscow–Leningrad (1962).
5. S. D. Leites, Stability of Compressed Steel Bars [in Russian], Gos. Izd. Lit. Stroit. Arkhit., Moscow (1954).