Regularity of Inhomogeneous Quasi-Linear Equations on the Heisenberg Group. Analysis in Theory and Applications, [S. l.], v. 37, n. 4, p. 520–540, 2021. DOI: 10.4208/ata.OA-2020-0040. Disponível em: https://www.global-sci.com/index.php/ata/article/view/8235. Acesso em: 5 dec. 2025.