A Maximum Principle for Elliptic and Parabolic Equations with Oblique Derivative Boundary Problems. Journal of Partial Differential Equations, [S. l.], v. 5, n. 4, p. 23–27, 2020. Disponível em: https://gsp.tricubic.dev/jpde/article/view/3724. Acesso em: 15 mar. 2026.