FERRARI, F. Some relations between fractional Laplace operators and Hessian operators. Bruno Pini Mathematical Analysis Seminar, [S. l.], v. 2, n. 1, 2011. DOI: 10.6092/issn.2240-2829/2668. Disponível em: https://mathematicalanalysis.unibo.it/article/view/2668. Acesso em: 3 may. 2024.