Using a spherical seven-link mechanism in a device for cutting the lubrication grooves at a spherical surface. Bulletin of Akaki Tsereteli State University, [S. l.], n. 2 (22), p. 159–166, 2025. Disponível em: https://moambe.journals.atsu.edu.ge/index.php/moambe/article/view/44. Acesso em: 20 apr. 2025.