Sh. N. Fayzimatov, A.M.Yakupov and A. M. Gafurov 2022. THE GEOMETRY OF THE CONTACT SURFACE DURING PLASTIC DEFORMATION. Web of Scientist: International Scientific Research Journal. 3, 12 (Dec. 2022), 231–239. DOI:https://doi.org/10.17605/OSF.IO/QWFDC.