RUAN, Huo-Jun; WANG, Yang; XIAO, Jian-Ci. On the existence of cut points of connected generalized Sierpiński carpets. Annales Fennici Mathematici, [S. l.], v. 48, n. 1, p. 229–254, 2023. DOI: 10.54330/afm.127049. Disponível em: https://afm.journal.fi/article/view/127049. Acesso em: 9 dec. 2025.