D. ALIKAKOS, N.; FUSCO, G. Asymptotic behavior and rigidity results for symmetric solutions of the elliptic system Δu = W_u(u) . ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 15, n. special, p. 809-836, 2016. DOI: 10.2422/2036-2145.201402_005. Disponível em: https://journals.sns.it/index.php/annaliscienze/article/view/441. Acesso em: 20 feb. 2026.