Ter-Martirosyan, Zaven, et al. “INTERACTION OF LARGE PILES WITH A MULTILAYER SOIL MASS, TAKING INTO ACCOUNT HARDENING AND SOFTENING”. International Journal for Computational Civil and Structural Engineering, vol. 17, no. 2, June 2021, pp. 67-75, https://doi.org/10.22337/2587-9618-2021-17-2-67-75.