HIRSCH, J. Boundary regularity of Dirichlet minimizing Q-valued functions . ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 16, n. 4, p. 1353-1407, 2016. DOI: 10.2422/2036-2145.201408_002. Disponível em: https://journals.sns.it/index.php/annaliscienze/article/view/485. Acesso em: 20 feb. 2026.