CUPINI, Giovanni; LANCONELLI, Ermanno. On the surface average for harmonic functions: a stability inequality. Bruno Pini Mathematical Analysis Seminar, [S. l.], v. 14, n. 2, p. 129–138, 2024. DOI: 10.6092/issn.2240-2829/18860. Disponível em: https://mathematicalanalysis.unibo.it/article/view/18860. Acesso em: 14 jul. 2024.