CONTRERAS, M. D.; DÍAZ-MADRIGAL, S.; POMMERENKE, C. On boundary critical points for semigroups of analytic functions. MATHEMATICA SCANDINAVICA, [S. l.], v. 98, n. 1, p. 125–142, 2006. DOI: 10.7146/math.scand.a-14987. Disponível em: https://www.mscand.dk/article/view/14987. Acesso em: 2 may. 2024.