HE, Xinyu. Fisher’s Separation Theorem and its Limitations. Highlights in Business, Economics and Management, [S. l.], v. 19, p. 732–735, 2023. DOI: 10.54097/hbem.v19i.12639. Disponível em: https://drpress.org/ojs/index.php/HBEM/article/view/12639. Acesso em: 13 may. 2026.