QIAO, Yemei. Concepts, Proof, and Applications of Lagrange’s Theorem. Highlights in Science, Engineering and Technology, [S. l.], v. 128, p. 105–109, 2025. DOI: 10.54097/479r4v09. Disponível em: https://hsetdata.com/index.php/ojs/article/view/207. Acesso em: 1 jun. 2026.