Kamenskih, Anna Aleksandrovna, and Nikolay Aleksandrovich Trufanov. “Numerical Analysis of the Stress State of a Spherical Contact System With an Interlayer of Antifriction Material”. Computational Continuum Mechanics, vol. 6, no. 1, Apr. 2013, pp. 54-61, https://doi.org/10.7242/1999-6691/2013.6.1.7.