DENG, J.; WEN, Z.; XI, L. C1-Embeddings between graph-directed sets. Annales Fennici Mathematici, [S. l.], v. 41, n. 2, p. 803–811, 2016. DOI: 10.5186/aasfm.2016.4153. Disponível em: https://afm.journal.fi/article/view/135636. Acesso em: 18 oct. 2024.