БАГРІЙ, О. В. Bagriy O.V. Equations of a plane problem for the environment with substantial internal Coulomb friction. Problems of Tribology, [S. l.], v. 86, n. 4, p. 60–66, 2018. Disponível em: https://tribology.khmnu.edu.ua/index.php/ProbTrib/article/view/640. Acesso em: 1 aug. 2025.