A Mean-Variance Problem in the Constant Elasticity of Variance (CEV) Model. Communications in Mathematical Research, [S. l.], v. 31, n. 3, p. 242–252, 2021. DOI: 10.13447/j.1674-5647.2015.03.06. Disponível em: https://www.global-sci.com/index.php/cmr/article/view/8855. Acesso em: 5 dec. 2025.