CARRELL, James B.; SOMMESE, Andrew John. Filtrations of meromorphic $C^*$ actions on complex manifolds. MATHEMATICA SCANDINAVICA, [S. l.], v. 53, p. 25–31, 1983. DOI: 10.7146/math.scand.a-12012. Disponível em: https://www.mscand.dk/article/view/12012. Acesso em: 5 dec. 2025.