BIESKE, Thomas. A sub-Riemannian maximum principle and its application to the p-Laplacian in Carnot groups. Annales Fennici Mathematici, [S. l.], v. 37, n. 1, p. 119–134, 2012. DOI: 10.5186/aasfm.2012.3706. Disponível em: https://afm.journal.fi/article/view/135383. Acesso em: 18 dec. 2025.