Dorofeyev, O.A., and V.V. Kovtun. “Determinative Ratios of a Rheological Model of a Discrete Medium With a Variable Angle of Internal Friction”. Problems of Tribology 25, no. 1/95 (March 24, 2020): 69–77. Accessed March 28, 2024. https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/743.