Second Order Estimates for Non-Concave Hessian Type Elliptic Equations on Riemannian Manifolds. Journal of Mathematical Study, [S. l.], v. 48, n. 3, p. 275–289, 2015. DOI: 10.4208/jms.v48n3.15.06. Disponível em: https://global-sci.com/index.php/jms/article/view/13248. Acesso em: 6 dec. 2025.