The model of contact erosion at a non-stationary arc spot. Kazakh Mathematical Journal, [S. l.], v. 24, n. 1, p. 14–25, 2025. DOI: 10.70474/kmj-2024-1-2. Disponível em: https://mathjournal.kz/index.php/kmj/article/view/28. Acesso em: 25 feb. 2025.