TENGVALL, V. Remarks on Martio’s conjecture. MATHEMATICA SCANDINAVICA, [S. l.], v. 128, n. 3, 2022. DOI: 10.7146/math.scand.a-132257. Disponível em: https://www.mscand.dk/article/view/132257. Acesso em: 30 jan. 2023.