On The Farthest Point Problem In Hilbert Spaces. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 16, n. 4, p. 2397–2404, 2023. DOI: 10.29020/nybg.ejpam.v16i4.4919. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/4919.. Acesso em: 20 may. 2024.