Кравцов, А. “Development of Macroreological Model of Strain Relaxation in Lubricating Film on Friction Surface in the Presence of Fullerenes”. Problems of Tribology, Vol. 90, no. 4, Jan. 2019, pp. 36-40, http://tribology.khnu.km.ua/index.php/ProbTrib/article/view/688.