ASTALA, K.; ZINSMEISTER, M. Abelian coverings, Poincaré exponent of convergence and holomorphic deformations. Annales Fennici Mathematici, [S. l.], v. 20, n. 1, p. 81–86, 1995. Disponível em: https://afm.journal.fi/article/view/134820. Acesso em: 7 mar. 2025.