ANDERSON, G. The coefficients of quasiconformality of ellipsoids. Annales Fennici Mathematici, [S. l.], n. 411, 1968. DOI: 10.5186/aasfm.1968.411. Disponível em: https://afm.journal.fi/article/view/134087. Acesso em: 26 nov. 2024.