KOGOJ, Alessia E. On a rigidity result for Kolmogorov-type operators. Bruno Pini Mathematical Analysis Seminar, [S. l.], v. 15, n. 1, p. 98–111, 2024. DOI: 10.6092/issn.2240-2829/21058. Disponível em: https://mathematicalanalysis.unibo.it/article/view/21058. Acesso em: 18 jan. 2025.