MARTINO, Ivan. Introduction to the Ekedahl Invariants. MATHEMATICA SCANDINAVICA, [S. l.], v. 120, n. 2, p. 211–224, 2017. DOI: 10.7146/math.scand.a-25693. Disponível em: https://tidsskrift.dk/math/article/view/25693. Acesso em: 14 aug. 2026.