1. I. G. Goryacheva, Contact Mechanics in Tribology (Springer, Dordrecht, 1998; Nauka, Moscow, 2001).
2. I. I. Argatov and N. N. Dmitriev, Fundamentals of the Theory of Elastic Discrete Contact (Polytekhnika, St. Petersburg, 2003) [in Russian].
3. V. L. Popov, Contact Mechanics and Friction. Physical Principles and Applications (Springer, Berlin, Heidelberg, 2010).
4. J. R. Barber, Contact Mechanics (Springer, Cham, 2018).
5. L. A. Galin, Contact Problems of Elasticity and Viscoelasticity Theories (Nauka, Moscow, 1980) [in Russian].