1. K. L. Johnson, Contact Mechanics, Cambridge University Press (1985).
2. G. K. Trubin, Contact Fatigue of Materials for Gear Wheels [in Russian], Mashgiz, Moscow (1962).
3. V. M. Zinchenko, Surface Engineering of Gear Wheels by Chemical Heat Treatment Methods [in Russian], Bauman Moscow State Technical University, Moscow (2001).
4. O. V. Zaitsev, V. G. Kaplun, S. V. Ivashchuk, and P. E. Filyushin, “Formation of coatings on bearing steel ShKh15 during ion-plasma nitriding and subsequent quenching with temperingϭ” Met. Sci. Heat Treat., 32, No. 9, 650–655 (1990), https://doi.org/10.1007/BF00693330.
5. P. V. Kaplun and K. A. Parshenko, Improving the Wear Resistance of Rolling Bearings [in Ukrainian], National University of Khmelnytskyi, Khmelnytskyi (2016).