GEHRING, F. W.; HAG, K.; MARTIO, O. Quasihyperbolic geodesics in John domains. MATHEMATICA SCANDINAVICA, [S. l.], v. 65, p. 75–92, 1989. DOI: 10.7146/math.scand.a-12267. Disponível em: https://www.mscand.dk/article/view/12267. Acesso em: 23 nov. 2024.