VECCHI, E. Symmetry and rigidity results for composite membranes and plates. Bruno Pini Mathematical Analysis Seminar, [S. l.], v. 11, n. 1, p. 157–174, 2020. DOI: 10.6092/issn.2240-2829/10587. Disponível em: https://mathematicalanalysis.unibo.it/article/view/10587. Acesso em: 2 may. 2024.