KALAJ, D. On the quasiconformal self-mappings of the unit ball satisfying the Poisson differential equation. Annales Fennici Mathematici, [S. l.], v. 36, n. 1, p. 177–194, 2011. DOI: 10.5186/aasfm.2011.3611. Disponível em: https://afm.journal.fi/article/view/135343. Acesso em: 25 nov. 2024.