MUGHETTI, M. Analytic Hypoellipticity and the Treves Conjecture. Bruno Pini Mathematical Analysis Seminar, [S. l.], v. 7, n. 1, p. 53–68, 2016. DOI: 10.6092/issn.2240-2829/6690. Disponível em: https://mathematicalanalysis.unibo.it/article/view/6690. Acesso em: 18 jun. 2024.