RICCIOTTI, D. Regularity of the derivatives of p-orthotropic functions in the plane for 1 < p < 2. Annales Fennici Mathematici, [S. l.], v. 44, n. 2, p. 1093–1099, 2019. DOI: 10.5186/aasfm.2019.4456. Disponível em: https://afm.journal.fi/article/view/135838. Acesso em: 22 nov. 2024.