New Refinement of Niezgoda’s Inequality with Applications to Ky Fan Inequality. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 13, n. 4, p. 814–829, 2020. DOI: 10.29020/nybg.ejpam.v13i4.3776. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3776.. Acesso em: 2 may. 2024.