BALDI, Annalisa. Differential forms in Carnot groups: a variational approach. Bruno Pini Mathematical Analysis Seminar, [S. l.], v. 2, n. 1, 2011. DOI: 10.6092/issn.2240-2829/2664. Disponível em: https://mathematicalanalysis.unibo.it/article/view/2664. Acesso em: 24 nov. 2024.