VUORINEN, Matti. On Teichmüller’s modulus problem in $\mathsf{R}^n$. MATHEMATICA SCANDINAVICA, [S. l.], v. 63, p. 315–333, 1988. DOI: 10.7146/math.scand.a-12244. Disponível em: https://tidsskrift.dk/math/article/view/12244. Acesso em: 14 aug. 2026.