HE, Chun-Ying; QI, Feng. A Unified Proof of Three Combinatorial Identities. Journal of Inequalities and Mathematical Analysis, [S. l.], v. 2, n. 1, p. 1–6, 2026. DOI: 10.63286/jima.026. Disponível em: https://inequalmath.com/index.php/pub/article/view/26. Acesso em: 2 apr. 2026.