POLIDORO, S. Harnack inequalities for hypoelliptic evolution operators: geometric issues and applications. Bruno Pini Mathematical Analysis Seminar, [S. l.], v. 3, n. 1, p. 1–13, 2012. DOI: 10.6092/issn.2240-2829/3415. Disponível em: https://mathematicalanalysis.unibo.it/article/view/3415. Acesso em: 28 apr. 2024.