Lyamina, E., and S. Alexandrov. “An Elastic Plastic Non-Steady Ideal Flow Solution and Its Application to Bending under Tension”. Advanced Technologies and Materials, vol. 34, no. 1-2, Dec. 2009, pp. 39-47, https://atm-journal.uns.ac.rs/index.php/atm/article/view/jtp.2009.34.1-2.4.