Some Contribution to Multivalued Fixed Point Problems on a Closed Ball with Applications. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 19, n. 1, p. 7373, 2026. DOI: 10.29020/nybg.ejpam.v19i1.7373. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/7373. Acesso em: 17 feb. 2026.