Yavtushenko , A., V. Ptotsenko, and Y. Bondarenko. “CALCULATION OF NORMAL CONTACT STRESS IN THE DEFORMATION FOCUS AT ROLLING OF STRIPS”. Scientific Journal "Metallurgy", no. 1(41), Mar. 2020, pp. 95-101, http://metal.journalsofznu.zp.ua/index.php/journal/article/view/19.