1. I. G. Goryacheva, Mechanics of Frictional Interaction (Nauka, Moscow, 2001) [in Russian].
2. I. I. Argatov and N. N. Dmitriev, Fundamentals of Discrete Elastic Contact (Politekhnika, St. Petersburg, 2003) [in Russian].
3. V. L. Popov, Contact Mechanics and Friction. Physical Principles and Applications (Springer, Berlin Heidelberg, 2010; Fizmatlit, Moscow, 2013).
4. J. R. Barber, Contact Mechanics (Springer, Cham, 2018).
5. L. A. Galin, Contact Problems of Elasticity and Viscoelasticity (Nauka, Moscow, 1980) [in Russian].