1. K. Holmberg and A. Matthewa, Coatings Tribology: Properties, Mechanisms, Techniques and Applications in Surface Engineering (Elsevier Science, Amsterdam, 2009).
2. M. Khadem, O. V. Penkov, H. K. Yang, and D. E. Kim, “Tribology of multilayer coatings for wear reduction: A review,” Friction 5 (3), 248–262 (2017).
3. I. A. Soldatenkov, “On wear analysis of multilayer coating,” Soviet J. Fric. Wear, 12 (2), 7–12 (1991).
4. Y. Tokovyy and C. C. Ma, “Elastic analysis of inhomogeneous solids: history and development in brief,” J. Mech., 35 (5), 613–626 (2019).
5. A. S. Vasiliev, S. S. Volkov, A. A. Belov, et al., “Indentation of a hard transversely isotropic functionally graded coating by a conical indenter,” Int. J. Eng. Sci. 112, 63–75 (2017).